Home / 887,912.20-1,330,556.10-754,067.80

Finding the Fourth Proportional to 887,912.20, 1,330,556.10 and 754,067.80

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Solution

The fourth proportional to 887,912.20, 1,330,556.10 and 754,067.80 is: 1,129,987.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,912.20 : 1,330,556.10 = 754,067.80 : x
  2. Step 2: Convert to fraction form
    887,912.20/1,330,556.10 = 754,067.80/x
  3. Step 3: Cross multiply
    887,912.20x = 1,330,556.10 × 754,067.80
  4. Step 4: Simplify right side
    887,912.20x = 1,003,329,511,103.58
  5. Step 5: Solve for x
    x = 1,003,329,511,103.58/887,912.20
  6. Step 6: Final answer
    x = 1,129,987.30

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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.