Home / 1,262.23-1,741.68-702.70

Finding the Fourth Proportional to 1,262.23, 1,741.68 and 702.70

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Solution

The fourth proportional to 1,262.23, 1,741.68 and 702.70 is: 969.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262.23 : 1,741.68 = 702.70 : x
  2. Step 2: Convert to fraction form
    1,262.23/1,741.68 = 702.70/x
  3. Step 3: Cross multiply
    1,262.23x = 1,741.68 × 702.70
  4. Step 4: Simplify right side
    1,262.23x = 1,223,874.18
  5. Step 5: Solve for x
    x = 1,223,874.18/1,262.23
  6. Step 6: Final answer
    x = 969.61

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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.