Home / 876,031.20-1,314,046.80-720,511.20

Finding the Fourth Proportional to 876,031.20, 1,314,046.80 and 720,511.20

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Solution

The fourth proportional to 876,031.20, 1,314,046.80 and 720,511.20 is: 1,080,766.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,031.20 : 1,314,046.80 = 720,511.20 : x
  2. Step 2: Convert to fraction form
    876,031.20/1,314,046.80 = 720,511.20/x
  3. Step 3: Cross multiply
    876,031.20x = 1,314,046.80 × 720,511.20
  4. Step 4: Simplify right side
    876,031.20x = 946,785,436,724.16
  5. Step 5: Solve for x
    x = 946,785,436,724.16/876,031.20
  6. Step 6: Final answer
    x = 1,080,766.80

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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.