Home / 1,332,025.75-1,838,195.54-728,413.75

Finding the Fourth Proportional to 1,332,025.75, 1,838,195.54 and 728,413.75

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Solution

The fourth proportional to 1,332,025.75, 1,838,195.54 and 728,413.75 is: 1,005,210.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,025.75 : 1,838,195.54 = 728,413.75 : x
  2. Step 2: Convert to fraction form
    1,332,025.75/1,838,195.54 = 728,413.75/x
  3. Step 3: Cross multiply
    1,332,025.75x = 1,838,195.54 × 728,413.75
  4. Step 4: Simplify right side
    1,332,025.75x = 1,338,966,906,524.68
  5. Step 5: Solve for x
    x = 1,338,966,906,524.68/1,332,025.75
  6. Step 6: Final answer
    x = 1,005,210.98

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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.