Home / 1,202,481.78-1,659,421.26-679,135.11

Finding the Fourth Proportional to 1,202,481.78, 1,659,421.26 and 679,135.11

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Solution

The fourth proportional to 1,202,481.78, 1,659,421.26 and 679,135.11 is: 937,204.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,481.78 : 1,659,421.26 = 679,135.11 : x
  2. Step 2: Convert to fraction form
    1,202,481.78/1,659,421.26 = 679,135.11/x
  3. Step 3: Cross multiply
    1,202,481.78x = 1,659,421.26 × 679,135.11
  4. Step 4: Simplify right side
    1,202,481.78x = 1,126,971,239,946.44
  5. Step 5: Solve for x
    x = 1,126,971,239,946.44/1,202,481.78
  6. Step 6: Final answer
    x = 937,204.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.