Home / 1,686,137.32-2,529,338-488,077.64

Finding the Fourth Proportional to 1,686,137.32, 2,529,338 and 488,077.64

Calculator

Solution

The fourth proportional to 1,686,137.32, 2,529,338 and 488,077.64 is: 732,154.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,137.32 : 2,529,338 = 488,077.64 : x
  2. Step 2: Convert to fraction form
    1,686,137.32/2,529,338 = 488,077.64/x
  3. Step 3: Cross multiply
    1,686,137.32x = 2,529,338 × 488,077.64
  4. Step 4: Simplify right side
    1,686,137.32x = 1,234,513,321,802.32
  5. Step 5: Solve for x
    x = 1,234,513,321,802.32/1,686,137.32
  6. Step 6: Final answer
    x = 732,154.68

Related Problems

Find fourth proportional to 843,068.66, 1,264,669 and 244,038.82
Half scale
Find fourth proportional to 3,372,274.64, 5,058,676 and 976,155.28
Double scale
Find fourth proportional to 1,686,138.32, 2,529,339.50 and 488,078.64
Similar ratio
Find fourth proportional to 2,529,205.98, 3,794,007 and 732,116.46
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.