Home / 738,747.20-1,108,120.80-734,081.60

Finding the Fourth Proportional to 738,747.20, 1,108,120.80 and 734,081.60

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Solution

The fourth proportional to 738,747.20, 1,108,120.80 and 734,081.60 is: 1,101,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,747.20 : 1,108,120.80 = 734,081.60 : x
  2. Step 2: Convert to fraction form
    738,747.20/1,108,120.80 = 734,081.60/x
  3. Step 3: Cross multiply
    738,747.20x = 1,108,120.80 × 734,081.60
  4. Step 4: Simplify right side
    738,747.20x = 813,451,089,857.28
  5. Step 5: Solve for x
    x = 813,451,089,857.28/738,747.20
  6. Step 6: Final answer
    x = 1,101,122.40

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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.