Home / 1,407,346.39-1,942,136.85-762,766.39

Finding the Fourth Proportional to 1,407,346.39, 1,942,136.85 and 762,766.39

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Solution

The fourth proportional to 1,407,346.39, 1,942,136.85 and 762,766.39 is: 1,052,616.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,346.39 : 1,942,136.85 = 762,766.39 : x
  2. Step 2: Convert to fraction form
    1,407,346.39/1,942,136.85 = 762,766.39/x
  3. Step 3: Cross multiply
    1,407,346.39x = 1,942,136.85 × 762,766.39
  4. Step 4: Simplify right side
    1,407,346.39x = 1,481,396,713,960.47
  5. Step 5: Solve for x
    x = 1,481,396,713,960.47/1,407,346.39
  6. Step 6: Final answer
    x = 1,052,616.99

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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.