Home / 1,107,560.20-1,661,340.30-930,413.20

Finding the Fourth Proportional to 1,107,560.20, 1,661,340.30 and 930,413.20

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Solution

The fourth proportional to 1,107,560.20, 1,661,340.30 and 930,413.20 is: 1,395,619.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,560.20 : 1,661,340.30 = 930,413.20 : x
  2. Step 2: Convert to fraction form
    1,107,560.20/1,661,340.30 = 930,413.20/x
  3. Step 3: Cross multiply
    1,107,560.20x = 1,661,340.30 × 930,413.20
  4. Step 4: Simplify right side
    1,107,560.20x = 1,545,732,944,811.96
  5. Step 5: Solve for x
    x = 1,545,732,944,811.96/1,107,560.20
  6. Step 6: Final answer
    x = 1,395,619.80

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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.