Home / 1,343,565.16-1,854,172.38-762,842.31

Finding the Fourth Proportional to 1,343,565.16, 1,854,172.38 and 762,842.31

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Solution

The fourth proportional to 1,343,565.16, 1,854,172.38 and 762,842.31 is: 1,052,752.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,565.16 : 1,854,172.38 = 762,842.31 : x
  2. Step 2: Convert to fraction form
    1,343,565.16/1,854,172.38 = 762,842.31/x
  3. Step 3: Cross multiply
    1,343,565.16x = 1,854,172.38 × 762,842.31
  4. Step 4: Simplify right side
    1,343,565.16x = 1,414,441,137,404.91
  5. Step 5: Solve for x
    x = 1,414,441,137,404.91/1,343,565.16
  6. Step 6: Final answer
    x = 1,052,752.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.