Home / 1,413,989.25-1,951,288.76-769,398.34

Finding the Fourth Proportional to 1,413,989.25, 1,951,288.76 and 769,398.34

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Solution

The fourth proportional to 1,413,989.25, 1,951,288.76 and 769,398.34 is: 1,061,760.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,989.25 : 1,951,288.76 = 769,398.34 : x
  2. Step 2: Convert to fraction form
    1,413,989.25/1,951,288.76 = 769,398.34/x
  3. Step 3: Cross multiply
    1,413,989.25x = 1,951,288.76 × 769,398.34
  4. Step 4: Simplify right side
    1,413,989.25x = 1,501,318,332,804.66
  5. Step 5: Solve for x
    x = 1,501,318,332,804.66/1,413,989.25
  6. Step 6: Final answer
    x = 1,061,760.78

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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.