Home / 1,085,897.97-1,627,879.05-412,452.20

Finding the Fourth Proportional to 1,085,897.97, 1,627,879.05 and 412,452.20

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Solution

The fourth proportional to 1,085,897.97, 1,627,879.05 and 412,452.20 is: 618,310.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,897.97 : 1,627,879.05 = 412,452.20 : x
  2. Step 2: Convert to fraction form
    1,085,897.97/1,627,879.05 = 412,452.20/x
  3. Step 3: Cross multiply
    1,085,897.97x = 1,627,879.05 × 412,452.20
  4. Step 4: Simplify right side
    1,085,897.97x = 671,422,287,367.02
  5. Step 5: Solve for x
    x = 671,422,287,367.02/1,085,897.97
  6. Step 6: Final answer
    x = 618,310.66

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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.