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Finding the Fourth Proportional to 1,062, 1,592.19 and 574.38

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Solution

The fourth proportional to 1,062, 1,592.19 and 574.38 is: 861.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062 : 1,592.19 = 574.38 : x
  2. Step 2: Convert to fraction form
    1,062/1,592.19 = 574.38/x
  3. Step 3: Cross multiply
    1,062x = 1,592.19 × 574.38
  4. Step 4: Simplify right side
    1,062x = 914,522.09
  5. Step 5: Solve for x
    x = 914,522.09/1,062
  6. Step 6: Final answer
    x = 861.13

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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.