Home / 1,413,991.38-1,951,291.68-769,400.48

Finding the Fourth Proportional to 1,413,991.38, 1,951,291.68 and 769,400.48

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Solution

The fourth proportional to 1,413,991.38, 1,951,291.68 and 769,400.48 is: 1,061,763.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,991.38 : 1,951,291.68 = 769,400.48 : x
  2. Step 2: Convert to fraction form
    1,413,991.38/1,951,291.68 = 769,400.48/x
  3. Step 3: Cross multiply
    1,413,991.38x = 1,951,291.68 × 769,400.48
  4. Step 4: Simplify right side
    1,413,991.38x = 1,501,324,755,212.01
  5. Step 5: Solve for x
    x = 1,501,324,755,212.01/1,413,991.38
  6. Step 6: Final answer
    x = 1,061,763.73

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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.