Home / 1,016,205.01-1,398,843.07-878,321.04

Finding the Fourth Proportional to 1,016,205.01, 1,398,843.07 and 878,321.04

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Solution

The fourth proportional to 1,016,205.01, 1,398,843.07 and 878,321.04 is: 1,209,040.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,205.01 : 1,398,843.07 = 878,321.04 : x
  2. Step 2: Convert to fraction form
    1,016,205.01/1,398,843.07 = 878,321.04/x
  3. Step 3: Cross multiply
    1,016,205.01x = 1,398,843.07 × 878,321.04
  4. Step 4: Simplify right side
    1,016,205.01x = 1,228,633,292,597.73
  5. Step 5: Solve for x
    x = 1,228,633,292,597.73/1,016,205.01
  6. Step 6: Final answer
    x = 1,209,040.78

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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.