Home / 1,407,291.62-1,942,069.12-762,711.64

Finding the Fourth Proportional to 1,407,291.62, 1,942,069.12 and 762,711.64

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Solution

The fourth proportional to 1,407,291.62, 1,942,069.12 and 762,711.64 is: 1,052,545.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,291.62 : 1,942,069.12 = 762,711.64 : x
  2. Step 2: Convert to fraction form
    1,407,291.62/1,942,069.12 = 762,711.64/x
  3. Step 3: Cross multiply
    1,407,291.62x = 1,942,069.12 × 762,711.64
  4. Step 4: Simplify right side
    1,407,291.62x = 1,481,238,723,508.56
  5. Step 5: Solve for x
    x = 1,481,238,723,508.56/1,407,291.62
  6. Step 6: Final answer
    x = 1,052,545.69

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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.