Home / 1,262.41-1,742.15-702.93

Finding the Fourth Proportional to 1,262.41, 1,742.15 and 702.93

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Solution

The fourth proportional to 1,262.41, 1,742.15 and 702.93 is: 970.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262.41 : 1,742.15 = 702.93 : x
  2. Step 2: Convert to fraction form
    1,262.41/1,742.15 = 702.93/x
  3. Step 3: Cross multiply
    1,262.41x = 1,742.15 × 702.93
  4. Step 4: Simplify right side
    1,262.41x = 1,224,611.26
  5. Step 5: Solve for x
    x = 1,224,611.26/1,262.41
  6. Step 6: Final answer
    x = 970.06

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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.