Home / 1,186.20-1,778.94-600.66

Finding the Fourth Proportional to 1,186.20, 1,778.94 and 600.66

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Solution

The fourth proportional to 1,186.20, 1,778.94 and 600.66 is: 900.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186.20 : 1,778.94 = 600.66 : x
  2. Step 2: Convert to fraction form
    1,186.20/1,778.94 = 600.66/x
  3. Step 3: Cross multiply
    1,186.20x = 1,778.94 × 600.66
  4. Step 4: Simplify right side
    1,186.20x = 1,068,538.10
  5. Step 5: Solve for x
    x = 1,068,538.10/1,186.20
  6. Step 6: Final answer
    x = 900.81

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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.