Home / 1,091,122.80-1,635,906.60-491,593.20

Finding the Fourth Proportional to 1,091,122.80, 1,635,906.60 and 491,593.20

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Solution

The fourth proportional to 1,091,122.80, 1,635,906.60 and 491,593.20 is: 737,039.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,122.80 : 1,635,906.60 = 491,593.20 : x
  2. Step 2: Convert to fraction form
    1,091,122.80/1,635,906.60 = 491,593.20/x
  3. Step 3: Cross multiply
    1,091,122.80x = 1,635,906.60 × 491,593.20
  4. Step 4: Simplify right side
    1,091,122.80x = 804,200,560,395.12
  5. Step 5: Solve for x
    x = 804,200,560,395.12/1,091,122.80
  6. Step 6: Final answer
    x = 737,039.46

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1.5x scale

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.