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Finding the Fourth Proportional to 1,167.59, 1,750.24 and 756.92

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Solution

The fourth proportional to 1,167.59, 1,750.24 and 756.92 is: 1,134.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167.59 : 1,750.24 = 756.92 : x
  2. Step 2: Convert to fraction form
    1,167.59/1,750.24 = 756.92/x
  3. Step 3: Cross multiply
    1,167.59x = 1,750.24 × 756.92
  4. Step 4: Simplify right side
    1,167.59x = 1,324,791.66
  5. Step 5: Solve for x
    x = 1,324,791.66/1,167.59
  6. Step 6: Final answer
    x = 1,134.64

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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.