Home / 1,177.20-1,763.52-560.16

Finding the Fourth Proportional to 1,177.20, 1,763.52 and 560.16

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Solution

The fourth proportional to 1,177.20, 1,763.52 and 560.16 is: 839.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177.20 : 1,763.52 = 560.16 : x
  2. Step 2: Convert to fraction form
    1,177.20/1,763.52 = 560.16/x
  3. Step 3: Cross multiply
    1,177.20x = 1,763.52 × 560.16
  4. Step 4: Simplify right side
    1,177.20x = 987,853.36
  5. Step 5: Solve for x
    x = 987,853.36/1,177.20
  6. Step 6: Final answer
    x = 839.16

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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.