Home / 1,276,744.92-1,761,910.40-695,972.79

Finding the Fourth Proportional to 1,276,744.92, 1,761,910.40 and 695,972.79

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Solution

The fourth proportional to 1,276,744.92, 1,761,910.40 and 695,972.79 is: 960,443.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,744.92 : 1,761,910.40 = 695,972.79 : x
  2. Step 2: Convert to fraction form
    1,276,744.92/1,761,910.40 = 695,972.79/x
  3. Step 3: Cross multiply
    1,276,744.92x = 1,761,910.40 × 695,972.79
  4. Step 4: Simplify right side
    1,276,744.92x = 1,226,241,693,338.15
  5. Step 5: Solve for x
    x = 1,226,241,693,338.15/1,276,744.92
  6. Step 6: Final answer
    x = 960,443.76

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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.