Home / 880,933.20-1,321,399.80-725,413.20

Finding the Fourth Proportional to 880,933.20, 1,321,399.80 and 725,413.20

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Solution

The fourth proportional to 880,933.20, 1,321,399.80 and 725,413.20 is: 1,088,119.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,933.20 : 1,321,399.80 = 725,413.20 : x
  2. Step 2: Convert to fraction form
    880,933.20/1,321,399.80 = 725,413.20/x
  3. Step 3: Cross multiply
    880,933.20x = 1,321,399.80 × 725,413.20
  4. Step 4: Simplify right side
    880,933.20x = 958,560,857,397.36
  5. Step 5: Solve for x
    x = 958,560,857,397.36/880,933.20
  6. Step 6: Final answer
    x = 1,088,119.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.