Home / 1,063,540.80-1,468,227.60-821,279.52

Finding the Fourth Proportional to 1,063,540.80, 1,468,227.60 and 821,279.52

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Solution

The fourth proportional to 1,063,540.80, 1,468,227.60 and 821,279.52 is: 1,133,783.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063,540.80 : 1,468,227.60 = 821,279.52 : x
  2. Step 2: Convert to fraction form
    1,063,540.80/1,468,227.60 = 821,279.52/x
  3. Step 3: Cross multiply
    1,063,540.80x = 1,468,227.60 × 821,279.52
  4. Step 4: Simplify right side
    1,063,540.80x = 1,205,825,258,578.75
  5. Step 5: Solve for x
    x = 1,205,825,258,578.75/1,063,540.80
  6. Step 6: Final answer
    x = 1,133,783.73

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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.