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Finding the Fourth Proportional to 1,252.68, 1,879.95 and 594.56

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Solution

The fourth proportional to 1,252.68, 1,879.95 and 594.56 is: 892.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252.68 : 1,879.95 = 594.56 : x
  2. Step 2: Convert to fraction form
    1,252.68/1,879.95 = 594.56/x
  3. Step 3: Cross multiply
    1,252.68x = 1,879.95 × 594.56
  4. Step 4: Simplify right side
    1,252.68x = 1,117,740.10
  5. Step 5: Solve for x
    x = 1,117,740.10/1,252.68
  6. Step 6: Final answer
    x = 892.28

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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.