Home / 1,206,747.69-1,665,229.68-662,906.40

Finding the Fourth Proportional to 1,206,747.69, 1,665,229.68 and 662,906.40

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Solution

The fourth proportional to 1,206,747.69, 1,665,229.68 and 662,906.40 is: 914,765.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,747.69 : 1,665,229.68 = 662,906.40 : x
  2. Step 2: Convert to fraction form
    1,206,747.69/1,665,229.68 = 662,906.40/x
  3. Step 3: Cross multiply
    1,206,747.69x = 1,665,229.68 × 662,906.40
  4. Step 4: Simplify right side
    1,206,747.69x = 1,103,891,412,341.95
  5. Step 5: Solve for x
    x = 1,103,891,412,341.95/1,206,747.69
  6. Step 6: Final answer
    x = 914,765.71

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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.