Home / 1,229,103.60-1,843,655.40-725,218.80

Finding the Fourth Proportional to 1,229,103.60, 1,843,655.40 and 725,218.80

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Solution

The fourth proportional to 1,229,103.60, 1,843,655.40 and 725,218.80 is: 1,087,828.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,103.60 : 1,843,655.40 = 725,218.80 : x
  2. Step 2: Convert to fraction form
    1,229,103.60/1,843,655.40 = 725,218.80/x
  3. Step 3: Cross multiply
    1,229,103.60x = 1,843,655.40 × 725,218.80
  4. Step 4: Simplify right side
    1,229,103.60x = 1,337,053,556,801.52
  5. Step 5: Solve for x
    x = 1,337,053,556,801.52/1,229,103.60
  6. Step 6: Final answer
    x = 1,087,828.20

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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.