Home / 1,338,191.25-1,846,705.79-726,344.15

Finding the Fourth Proportional to 1,338,191.25, 1,846,705.79 and 726,344.15

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Solution

The fourth proportional to 1,338,191.25, 1,846,705.79 and 726,344.15 is: 1,002,355.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,191.25 : 1,846,705.79 = 726,344.15 : x
  2. Step 2: Convert to fraction form
    1,338,191.25/1,846,705.79 = 726,344.15/x
  3. Step 3: Cross multiply
    1,338,191.25x = 1,846,705.79 × 726,344.15
  4. Step 4: Simplify right side
    1,338,191.25x = 1,341,343,934,472.38
  5. Step 5: Solve for x
    x = 1,341,343,934,472.38/1,338,191.25
  6. Step 6: Final answer
    x = 1,002,355.93

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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.