Home / 1,176.60-1,764.48-560.61

Finding the Fourth Proportional to 1,176.60, 1,764.48 and 560.61

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Solution

The fourth proportional to 1,176.60, 1,764.48 and 560.61 is: 840.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176.60 : 1,764.48 = 560.61 : x
  2. Step 2: Convert to fraction form
    1,176.60/1,764.48 = 560.61/x
  3. Step 3: Cross multiply
    1,176.60x = 1,764.48 × 560.61
  4. Step 4: Simplify right side
    1,176.60x = 989,185.13
  5. Step 5: Solve for x
    x = 989,185.13/1,176.60
  6. Step 6: Final answer
    x = 840.71

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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.