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Finding the Fourth Proportional to 1,418.64, 2,127.48 and 596.76

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Solution

The fourth proportional to 1,418.64, 2,127.48 and 596.76 is: 894.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418.64 : 2,127.48 = 596.76 : x
  2. Step 2: Convert to fraction form
    1,418.64/2,127.48 = 596.76/x
  3. Step 3: Cross multiply
    1,418.64x = 2,127.48 × 596.76
  4. Step 4: Simplify right side
    1,418.64x = 1,269,594.96
  5. Step 5: Solve for x
    x = 1,269,594.96/1,418.64
  6. Step 6: Final answer
    x = 894.94

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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.