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Finding the Fourth Proportional to 1,062.18, 1,593.27 and 629.46

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Solution

The fourth proportional to 1,062.18, 1,593.27 and 629.46 is: 944.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.18 : 1,593.27 = 629.46 : x
  2. Step 2: Convert to fraction form
    1,062.18/1,593.27 = 629.46/x
  3. Step 3: Cross multiply
    1,062.18x = 1,593.27 × 629.46
  4. Step 4: Simplify right side
    1,062.18x = 1,002,899.73
  5. Step 5: Solve for x
    x = 1,002,899.73/1,062.18
  6. Step 6: Final answer
    x = 944.19

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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.