Home / 1,552,586-2,328,879-430,655

Finding the Fourth Proportional to 1,552,586, 2,328,879 and 430,655

Calculator

Solution

The fourth proportional to 1,552,586, 2,328,879 and 430,655 is: 645,982.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552,586 : 2,328,879 = 430,655 : x
  2. Step 2: Convert to fraction form
    1,552,586/2,328,879 = 430,655/x
  3. Step 3: Cross multiply
    1,552,586x = 2,328,879 × 430,655
  4. Step 4: Simplify right side
    1,552,586x = 1,002,943,385,745
  5. Step 5: Solve for x
    x = 1,002,943,385,745/1,552,586
  6. Step 6: Final answer
    x = 645,982.50

Related Problems

Find fourth proportional to 776,293, 1,164,439.50 and 215,327.50
Half scale
Find fourth proportional to 3,105,172, 4,657,758 and 861,310
Double scale
Find fourth proportional to 1,552,587, 2,328,880.50 and 430,656
Similar ratio
Find fourth proportional to 2,328,879, 3,493,318.50 and 645,982.50
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.