Home / 1,260.80-1,889.61-566.73

Finding the Fourth Proportional to 1,260.80, 1,889.61 and 566.73

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Solution

The fourth proportional to 1,260.80, 1,889.61 and 566.73 is: 849.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260.80 : 1,889.61 = 566.73 : x
  2. Step 2: Convert to fraction form
    1,260.80/1,889.61 = 566.73/x
  3. Step 3: Cross multiply
    1,260.80x = 1,889.61 × 566.73
  4. Step 4: Simplify right side
    1,260.80x = 1,070,898.68
  5. Step 5: Solve for x
    x = 1,070,898.68/1,260.80
  6. Step 6: Final answer
    x = 849.38

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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.