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Finding the Fourth Proportional to 1,332.76, 1,999.13 and 601.83

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Solution

The fourth proportional to 1,332.76, 1,999.13 and 601.83 is: 902.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332.76 : 1,999.13 = 601.83 : x
  2. Step 2: Convert to fraction form
    1,332.76/1,999.13 = 601.83/x
  3. Step 3: Cross multiply
    1,332.76x = 1,999.13 × 601.83
  4. Step 4: Simplify right side
    1,332.76x = 1,203,125.90
  5. Step 5: Solve for x
    x = 1,203,125.90/1,332.76
  6. Step 6: Final answer
    x = 902.73

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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.