Home / 1,179.20-1,766.10-563.34

Finding the Fourth Proportional to 1,179.20, 1,766.10 and 563.34

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Solution

The fourth proportional to 1,179.20, 1,766.10 and 563.34 is: 843.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179.20 : 1,766.10 = 563.34 : x
  2. Step 2: Convert to fraction form
    1,179.20/1,766.10 = 563.34/x
  3. Step 3: Cross multiply
    1,179.20x = 1,766.10 × 563.34
  4. Step 4: Simplify right side
    1,179.20x = 994,905.94
  5. Step 5: Solve for x
    x = 994,905.94/1,179.20
  6. Step 6: Final answer
    x = 843.72

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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.