Home / 1,108,877.20-1,659,163.80-789,766.80

Finding the Fourth Proportional to 1,108,877.20, 1,659,163.80 and 789,766.80

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Solution

The fourth proportional to 1,108,877.20, 1,659,163.80 and 789,766.80 is: 1,181,693.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,877.20 : 1,659,163.80 = 789,766.80 : x
  2. Step 2: Convert to fraction form
    1,108,877.20/1,659,163.80 = 789,766.80/x
  3. Step 3: Cross multiply
    1,108,877.20x = 1,659,163.80 × 789,766.80
  4. Step 4: Simplify right side
    1,108,877.20x = 1,310,352,485,001.84
  5. Step 5: Solve for x
    x = 1,310,352,485,001.84/1,108,877.20
  6. Step 6: Final answer
    x = 1,181,693.05

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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.