Home / 1,276,219.10-1,761,194.18-703,279.78

Finding the Fourth Proportional to 1,276,219.10, 1,761,194.18 and 703,279.78

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Solution

The fourth proportional to 1,276,219.10, 1,761,194.18 and 703,279.78 is: 970,532.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,219.10 : 1,761,194.18 = 703,279.78 : x
  2. Step 2: Convert to fraction form
    1,276,219.10/1,761,194.18 = 703,279.78/x
  3. Step 3: Cross multiply
    1,276,219.10x = 1,761,194.18 × 703,279.78
  4. Step 4: Simplify right side
    1,276,219.10x = 1,238,612,255,447.68
  5. Step 5: Solve for x
    x = 1,238,612,255,447.68/1,276,219.10
  6. Step 6: Final answer
    x = 970,532.61

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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.