Home / 887,260.80-1,330,891.20-747,292.80

Finding the Fourth Proportional to 887,260.80, 1,330,891.20 and 747,292.80

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Solution

The fourth proportional to 887,260.80, 1,330,891.20 and 747,292.80 is: 1,120,939.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,260.80 : 1,330,891.20 = 747,292.80 : x
  2. Step 2: Convert to fraction form
    887,260.80/1,330,891.20 = 747,292.80/x
  3. Step 3: Cross multiply
    887,260.80x = 1,330,891.20 × 747,292.80
  4. Step 4: Simplify right side
    887,260.80x = 994,565,411,343.36
  5. Step 5: Solve for x
    x = 994,565,411,343.36/887,260.80
  6. Step 6: Final answer
    x = 1,120,939.20

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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.