Home / 801,386.92-1,202,119.26-660,889

Finding the Fourth Proportional to 801,386.92, 1,202,119.26 and 660,889

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Solution

The fourth proportional to 801,386.92, 1,202,119.26 and 660,889 is: 991,365.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,386.92 : 1,202,119.26 = 660,889 : x
  2. Step 2: Convert to fraction form
    801,386.92/1,202,119.26 = 660,889/x
  3. Step 3: Cross multiply
    801,386.92x = 1,202,119.26 × 660,889
  4. Step 4: Simplify right side
    801,386.92x = 794,467,395,622.14
  5. Step 5: Solve for x
    x = 794,467,395,622.14/801,386.92
  6. Step 6: Final answer
    x = 991,365.56

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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.