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Finding the Fourth Proportional to 1,174.54, 1,761.06 and 1,000.52

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Solution

The fourth proportional to 1,174.54, 1,761.06 and 1,000.52 is: 1,500.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,174.54 : 1,761.06 = 1,000.52 : x
  2. Step 2: Convert to fraction form
    1,174.54/1,761.06 = 1,000.52/x
  3. Step 3: Cross multiply
    1,174.54x = 1,761.06 × 1,000.52
  4. Step 4: Simplify right side
    1,174.54x = 1,761,975.75
  5. Step 5: Solve for x
    x = 1,761,975.75/1,174.54
  6. Step 6: Final answer
    x = 1,500.15

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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.