Home / 1,060.45-1,463.67-618.43

Finding the Fourth Proportional to 1,060.45, 1,463.67 and 618.43

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Solution

The fourth proportional to 1,060.45, 1,463.67 and 618.43 is: 853.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060.45 : 1,463.67 = 618.43 : x
  2. Step 2: Convert to fraction form
    1,060.45/1,463.67 = 618.43/x
  3. Step 3: Cross multiply
    1,060.45x = 1,463.67 × 618.43
  4. Step 4: Simplify right side
    1,060.45x = 905,177.44
  5. Step 5: Solve for x
    x = 905,177.44/1,060.45
  6. Step 6: Final answer
    x = 853.58

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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.