Home / 1,091,227.80-1,635,324.48-948,781.20

Finding the Fourth Proportional to 1,091,227.80, 1,635,324.48 and 948,781.20

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Solution

The fourth proportional to 1,091,227.80, 1,635,324.48 and 948,781.20 is: 1,421,852.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,227.80 : 1,635,324.48 = 948,781.20 : x
  2. Step 2: Convert to fraction form
    1,091,227.80/1,635,324.48 = 948,781.20/x
  3. Step 3: Cross multiply
    1,091,227.80x = 1,635,324.48 × 948,781.20
  4. Step 4: Simplify right side
    1,091,227.80x = 1,551,565,122,523.78
  5. Step 5: Solve for x
    x = 1,551,565,122,523.78/1,091,227.80
  6. Step 6: Final answer
    x = 1,421,852.63

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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.