Home / 1,252,934.90-1,728,800.08-762,575.97

Finding the Fourth Proportional to 1,252,934.90, 1,728,800.08 and 762,575.97

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Solution

The fourth proportional to 1,252,934.90, 1,728,800.08 and 762,575.97 is: 1,052,202.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,934.90 : 1,728,800.08 = 762,575.97 : x
  2. Step 2: Convert to fraction form
    1,252,934.90/1,728,800.08 = 762,575.97/x
  3. Step 3: Cross multiply
    1,252,934.90x = 1,728,800.08 × 762,575.97
  4. Step 4: Simplify right side
    1,252,934.90x = 1,318,341,396,035.64
  5. Step 5: Solve for x
    x = 1,318,341,396,035.64/1,252,934.90
  6. Step 6: Final answer
    x = 1,052,202.63

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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.