Home / 1,338,694.28-1,847,413.98-726,854.36

Finding the Fourth Proportional to 1,338,694.28, 1,847,413.98 and 726,854.36

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Solution

The fourth proportional to 1,338,694.28, 1,847,413.98 and 726,854.36 is: 1,003,067.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,694.28 : 1,847,413.98 = 726,854.36 : x
  2. Step 2: Convert to fraction form
    1,338,694.28/1,847,413.98 = 726,854.36/x
  3. Step 3: Cross multiply
    1,338,694.28x = 1,847,413.98 × 726,854.36
  4. Step 4: Simplify right side
    1,338,694.28x = 1,342,800,906,087.95
  5. Step 5: Solve for x
    x = 1,342,800,906,087.95/1,338,694.28
  6. Step 6: Final answer
    x = 1,003,067.64

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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.