Home / 1,199,573.25-1,799,641.19-820,672.36

Finding the Fourth Proportional to 1,199,573.25, 1,799,641.19 and 820,672.36

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Solution

The fourth proportional to 1,199,573.25, 1,799,641.19 and 820,672.36 is: 1,231,201.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,573.25 : 1,799,641.19 = 820,672.36 : x
  2. Step 2: Convert to fraction form
    1,199,573.25/1,799,641.19 = 820,672.36/x
  3. Step 3: Cross multiply
    1,199,573.25x = 1,799,641.19 × 820,672.36
  4. Step 4: Simplify right side
    1,199,573.25x = 1,476,915,780,103.09
  5. Step 5: Solve for x
    x = 1,476,915,780,103.09/1,199,573.25
  6. Step 6: Final answer
    x = 1,231,201.00

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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.