Home / 1,338,545.92-2,007,842.64-486,222.16

Finding the Fourth Proportional to 1,338,545.92, 2,007,842.64 and 486,222.16

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Solution

The fourth proportional to 1,338,545.92, 2,007,842.64 and 486,222.16 is: 729,341.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,545.92 : 2,007,842.64 = 486,222.16 : x
  2. Step 2: Convert to fraction form
    1,338,545.92/2,007,842.64 = 486,222.16/x
  3. Step 3: Cross multiply
    1,338,545.92x = 2,007,842.64 × 486,222.16
  4. Step 4: Simplify right side
    1,338,545.92x = 976,257,585,360.90
  5. Step 5: Solve for x
    x = 976,257,585,360.90/1,338,545.92
  6. Step 6: Final answer
    x = 729,341.87

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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.