Home / 1,731,545.92-2,595,920.16-721,428.64

Finding the Fourth Proportional to 1,731,545.92, 2,595,920.16 and 721,428.64

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Solution

The fourth proportional to 1,731,545.92, 2,595,920.16 and 721,428.64 is: 1,081,560.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731,545.92 : 2,595,920.16 = 721,428.64 : x
  2. Step 2: Convert to fraction form
    1,731,545.92/2,595,920.16 = 721,428.64/x
  3. Step 3: Cross multiply
    1,731,545.92x = 2,595,920.16 × 721,428.64
  4. Step 4: Simplify right side
    1,731,545.92x = 1,872,771,150,577.38
  5. Step 5: Solve for x
    x = 1,872,771,150,577.38/1,731,545.92
  6. Step 6: Final answer
    x = 1,081,560.20

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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.