Home / 1,413,989.38-1,951,288.93-769,398.47

Finding the Fourth Proportional to 1,413,989.38, 1,951,288.93 and 769,398.47

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Solution

The fourth proportional to 1,413,989.38, 1,951,288.93 and 769,398.47 is: 1,061,760.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,989.38 : 1,951,288.93 = 769,398.47 : x
  2. Step 2: Convert to fraction form
    1,413,989.38/1,951,288.93 = 769,398.47/x
  3. Step 3: Cross multiply
    1,413,989.38x = 1,951,288.93 × 769,398.47
  4. Step 4: Simplify right side
    1,413,989.38x = 1,501,318,717,269.94
  5. Step 5: Solve for x
    x = 1,501,318,717,269.94/1,413,989.38
  6. Step 6: Final answer
    x = 1,061,760.96

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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.