Home / 1,453,643.80-2,180,465.70-790,091.80

Finding the Fourth Proportional to 1,453,643.80, 2,180,465.70 and 790,091.80

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Solution

The fourth proportional to 1,453,643.80, 2,180,465.70 and 790,091.80 is: 1,185,137.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453,643.80 : 2,180,465.70 = 790,091.80 : x
  2. Step 2: Convert to fraction form
    1,453,643.80/2,180,465.70 = 790,091.80/x
  3. Step 3: Cross multiply
    1,453,643.80x = 2,180,465.70 × 790,091.80
  4. Step 4: Simplify right side
    1,453,643.80x = 1,722,768,069,751.26
  5. Step 5: Solve for x
    x = 1,722,768,069,751.26/1,453,643.80
  6. Step 6: Final answer
    x = 1,185,137.70

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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.