Home / 1,413,987.38-1,951,286.18-769,396.47

Finding the Fourth Proportional to 1,413,987.38, 1,951,286.18 and 769,396.47

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Solution

The fourth proportional to 1,413,987.38, 1,951,286.18 and 769,396.47 is: 1,061,758.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,987.38 : 1,951,286.18 = 769,396.47 : x
  2. Step 2: Convert to fraction form
    1,413,987.38/1,951,286.18 = 769,396.47/x
  3. Step 3: Cross multiply
    1,413,987.38x = 1,951,286.18 × 769,396.47
  4. Step 4: Simplify right side
    1,413,987.38x = 1,501,312,685,248.37
  5. Step 5: Solve for x
    x = 1,501,312,685,248.37/1,413,987.38
  6. Step 6: Final answer
    x = 1,061,758.20

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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.