Home / 887,943.60-1,331,915.40-819,514.80

Finding the Fourth Proportional to 887,943.60, 1,331,915.40 and 819,514.80

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Solution

The fourth proportional to 887,943.60, 1,331,915.40 and 819,514.80 is: 1,229,272.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,943.60 : 1,331,915.40 = 819,514.80 : x
  2. Step 2: Convert to fraction form
    887,943.60/1,331,915.40 = 819,514.80/x
  3. Step 3: Cross multiply
    887,943.60x = 1,331,915.40 × 819,514.80
  4. Step 4: Simplify right side
    887,943.60x = 1,091,524,382,647.92
  5. Step 5: Solve for x
    x = 1,091,524,382,647.92/887,943.60
  6. Step 6: Final answer
    x = 1,229,272.20

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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.