Home / 1,436,310.92-2,154,781.43-425,511.87

Finding the Fourth Proportional to 1,436,310.92, 2,154,781.43 and 425,511.87

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Solution

The fourth proportional to 1,436,310.92, 2,154,781.43 and 425,511.87 is: 638,361.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,310.92 : 2,154,781.43 = 425,511.87 : x
  2. Step 2: Convert to fraction form
    1,436,310.92/2,154,781.43 = 425,511.87/x
  3. Step 3: Cross multiply
    1,436,310.92x = 2,154,781.43 × 425,511.87
  4. Step 4: Simplify right side
    1,436,310.92x = 916,885,073,593.02
  5. Step 5: Solve for x
    x = 916,885,073,593.02/1,436,310.92
  6. Step 6: Final answer
    x = 638,361.14

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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.