Home / 1,243.12-1,863.60-592.96

Finding the Fourth Proportional to 1,243.12, 1,863.60 and 592.96

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Solution

The fourth proportional to 1,243.12, 1,863.60 and 592.96 is: 888.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243.12 : 1,863.60 = 592.96 : x
  2. Step 2: Convert to fraction form
    1,243.12/1,863.60 = 592.96/x
  3. Step 3: Cross multiply
    1,243.12x = 1,863.60 × 592.96
  4. Step 4: Simplify right side
    1,243.12x = 1,105,040.26
  5. Step 5: Solve for x
    x = 1,105,040.26/1,243.12
  6. Step 6: Final answer
    x = 888.92

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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.