Home / 1,247,620.20-1,871,413.02-300,982.92

Finding the Fourth Proportional to 1,247,620.20, 1,871,413.02 and 300,982.92

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Solution

The fourth proportional to 1,247,620.20, 1,871,413.02 and 300,982.92 is: 451,470.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,620.20 : 1,871,413.02 = 300,982.92 : x
  2. Step 2: Convert to fraction form
    1,247,620.20/1,871,413.02 = 300,982.92/x
  3. Step 3: Cross multiply
    1,247,620.20x = 1,871,413.02 × 300,982.92
  4. Step 4: Simplify right side
    1,247,620.20x = 563,263,355,285.62
  5. Step 5: Solve for x
    x = 563,263,355,285.62/1,247,620.20
  6. Step 6: Final answer
    x = 451,470.21

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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.