Home / 1,067.23-1,472.56-674.04

Finding the Fourth Proportional to 1,067.23, 1,472.56 and 674.04

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Solution

The fourth proportional to 1,067.23, 1,472.56 and 674.04 is: 930.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067.23 : 1,472.56 = 674.04 : x
  2. Step 2: Convert to fraction form
    1,067.23/1,472.56 = 674.04/x
  3. Step 3: Cross multiply
    1,067.23x = 1,472.56 × 674.04
  4. Step 4: Simplify right side
    1,067.23x = 992,564.34
  5. Step 5: Solve for x
    x = 992,564.34/1,067.23
  6. Step 6: Final answer
    x = 930.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.