Home / 1,276,405.90-1,761,440.15-703,446.08

Finding the Fourth Proportional to 1,276,405.90, 1,761,440.15 and 703,446.08

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Solution

The fourth proportional to 1,276,405.90, 1,761,440.15 and 703,446.08 is: 970,755.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,405.90 : 1,761,440.15 = 703,446.08 : x
  2. Step 2: Convert to fraction form
    1,276,405.90/1,761,440.15 = 703,446.08/x
  3. Step 3: Cross multiply
    1,276,405.90x = 1,761,440.15 × 703,446.08
  4. Step 4: Simplify right side
    1,276,405.90x = 1,239,078,168,672.11
  5. Step 5: Solve for x
    x = 1,239,078,168,672.11/1,276,405.90
  6. Step 6: Final answer
    x = 970,755.59

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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.