Home / 849,481.70-1,272,727.80-798,911.78

Finding the Fourth Proportional to 849,481.70, 1,272,727.80 and 798,911.78

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Solution

The fourth proportional to 849,481.70, 1,272,727.80 and 798,911.78 is: 1,196,961.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,481.70 : 1,272,727.80 = 798,911.78 : x
  2. Step 2: Convert to fraction form
    849,481.70/1,272,727.80 = 798,911.78/x
  3. Step 3: Cross multiply
    849,481.70x = 1,272,727.80 × 798,911.78
  4. Step 4: Simplify right side
    849,481.70x = 1,016,797,225,789.85
  5. Step 5: Solve for x
    x = 1,016,797,225,789.85/849,481.70
  6. Step 6: Final answer
    x = 1,196,961.90

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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.