Home / 1,331,056.80-1,995,418.80-798,789.60

Finding the Fourth Proportional to 1,331,056.80, 1,995,418.80 and 798,789.60

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Solution

The fourth proportional to 1,331,056.80, 1,995,418.80 and 798,789.60 is: 1,197,484.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,056.80 : 1,995,418.80 = 798,789.60 : x
  2. Step 2: Convert to fraction form
    1,331,056.80/1,995,418.80 = 798,789.60/x
  3. Step 3: Cross multiply
    1,331,056.80x = 1,995,418.80 × 798,789.60
  4. Step 4: Simplify right side
    1,331,056.80x = 1,593,919,785,084.48
  5. Step 5: Solve for x
    x = 1,593,919,785,084.48/1,331,056.80
  6. Step 6: Final answer
    x = 1,197,484.42

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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.