Home / 1,517,543.20-2,275,658.70-759,091.60

Finding the Fourth Proportional to 1,517,543.20, 2,275,658.70 and 759,091.60

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Solution

The fourth proportional to 1,517,543.20, 2,275,658.70 and 759,091.60 is: 1,138,309.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,543.20 : 2,275,658.70 = 759,091.60 : x
  2. Step 2: Convert to fraction form
    1,517,543.20/2,275,658.70 = 759,091.60/x
  3. Step 3: Cross multiply
    1,517,543.20x = 2,275,658.70 × 759,091.60
  4. Step 4: Simplify right side
    1,517,543.20x = 1,727,433,403,636.92
  5. Step 5: Solve for x
    x = 1,727,433,403,636.92/1,517,543.20
  6. Step 6: Final answer
    x = 1,138,309.21

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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.