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Finding the Fourth Proportional to 1,059.20, 1,461.69 and 593.45

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Solution

The fourth proportional to 1,059.20, 1,461.69 and 593.45 is: 818.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059.20 : 1,461.69 = 593.45 : x
  2. Step 2: Convert to fraction form
    1,059.20/1,461.69 = 593.45/x
  3. Step 3: Cross multiply
    1,059.20x = 1,461.69 × 593.45
  4. Step 4: Simplify right side
    1,059.20x = 867,432.62
  5. Step 5: Solve for x
    x = 867,432.62/1,059.20
  6. Step 6: Final answer
    x = 818.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.