Home / 1,276,162.92-1,761,141.78-703,240.02

Finding the Fourth Proportional to 1,276,162.92, 1,761,141.78 and 703,240.02

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Solution

The fourth proportional to 1,276,162.92, 1,761,141.78 and 703,240.02 is: 970,491.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,162.92 : 1,761,141.78 = 703,240.02 : x
  2. Step 2: Convert to fraction form
    1,276,162.92/1,761,141.78 = 703,240.02/x
  3. Step 3: Cross multiply
    1,276,162.92x = 1,761,141.78 × 703,240.02
  4. Step 4: Simplify right side
    1,276,162.92x = 1,238,505,380,590.04
  5. Step 5: Solve for x
    x = 1,238,505,380,590.04/1,276,162.92
  6. Step 6: Final answer
    x = 970,491.59

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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.