Home / 1,129,747.96-1,694,635.64-331,045.71

Finding the Fourth Proportional to 1,129,747.96, 1,694,635.64 and 331,045.71

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Solution

The fourth proportional to 1,129,747.96, 1,694,635.64 and 331,045.71 is: 496,572.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,747.96 : 1,694,635.64 = 331,045.71 : x
  2. Step 2: Convert to fraction form
    1,129,747.96/1,694,635.64 = 331,045.71/x
  3. Step 3: Cross multiply
    1,129,747.96x = 1,694,635.64 × 331,045.71
  4. Step 4: Simplify right side
    1,129,747.96x = 561,001,858,635.10
  5. Step 5: Solve for x
    x = 561,001,858,635.10/1,129,747.96
  6. Step 6: Final answer
    x = 496,572.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.