Home / 956,249.28-1,436,821.92-721,800

Finding the Fourth Proportional to 956,249.28, 1,436,821.92 and 721,800

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Solution

The fourth proportional to 956,249.28, 1,436,821.92 and 721,800 is: 1,084,547.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,249.28 : 1,436,821.92 = 721,800 : x
  2. Step 2: Convert to fraction form
    956,249.28/1,436,821.92 = 721,800/x
  3. Step 3: Cross multiply
    956,249.28x = 1,436,821.92 × 721,800
  4. Step 4: Simplify right side
    956,249.28x = 1,037,098,061,856
  5. Step 5: Solve for x
    x = 1,037,098,061,856/956,249.28
  6. Step 6: Final answer
    x = 1,084,547.81

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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.