Home / 1,342,229.52-1,852,356.47-769,306.71

Finding the Fourth Proportional to 1,342,229.52, 1,852,356.47 and 769,306.71

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Solution

The fourth proportional to 1,342,229.52, 1,852,356.47 and 769,306.71 is: 1,061,688.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,229.52 : 1,852,356.47 = 769,306.71 : x
  2. Step 2: Convert to fraction form
    1,342,229.52/1,852,356.47 = 769,306.71/x
  3. Step 3: Cross multiply
    1,342,229.52x = 1,852,356.47 × 769,306.71
  4. Step 4: Simplify right side
    1,342,229.52x = 1,425,030,257,836.38
  5. Step 5: Solve for x
    x = 1,425,030,257,836.38/1,342,229.52
  6. Step 6: Final answer
    x = 1,061,688.96

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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.