Home / 1,276,517.10-1,761,604.32-703,558.74

Finding the Fourth Proportional to 1,276,517.10, 1,761,604.32 and 703,558.74

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Solution

The fourth proportional to 1,276,517.10, 1,761,604.32 and 703,558.74 is: 970,916.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,517.10 : 1,761,604.32 = 703,558.74 : x
  2. Step 2: Convert to fraction form
    1,276,517.10/1,761,604.32 = 703,558.74/x
  3. Step 3: Cross multiply
    1,276,517.10x = 1,761,604.32 × 703,558.74
  4. Step 4: Simplify right side
    1,276,517.10x = 1,239,392,115,757.76
  5. Step 5: Solve for x
    x = 1,239,392,115,757.76/1,276,517.10
  6. Step 6: Final answer
    x = 970,916.97

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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.