Home / 1,276,092.29-1,760,993.26-724,804.27

Finding the Fourth Proportional to 1,276,092.29, 1,760,993.26 and 724,804.27

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Solution

The fourth proportional to 1,276,092.29, 1,760,993.26 and 724,804.27 is: 1,000,221.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,092.29 : 1,760,993.26 = 724,804.27 : x
  2. Step 2: Convert to fraction form
    1,276,092.29/1,760,993.26 = 724,804.27/x
  3. Step 3: Cross multiply
    1,276,092.29x = 1,760,993.26 × 724,804.27
  4. Step 4: Simplify right side
    1,276,092.29x = 1,276,375,428,074.73
  5. Step 5: Solve for x
    x = 1,276,375,428,074.73/1,276,092.29
  6. Step 6: Final answer
    x = 1,000,221.88

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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.