Home / 1,100,434.40-1,650,651.60-722,520.80

Finding the Fourth Proportional to 1,100,434.40, 1,650,651.60 and 722,520.80

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Solution

The fourth proportional to 1,100,434.40, 1,650,651.60 and 722,520.80 is: 1,083,781.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,434.40 : 1,650,651.60 = 722,520.80 : x
  2. Step 2: Convert to fraction form
    1,100,434.40/1,650,651.60 = 722,520.80/x
  3. Step 3: Cross multiply
    1,100,434.40x = 1,650,651.60 × 722,520.80
  4. Step 4: Simplify right side
    1,100,434.40x = 1,192,630,114,553.28
  5. Step 5: Solve for x
    x = 1,192,630,114,553.28/1,100,434.40
  6. Step 6: Final answer
    x = 1,083,781.20

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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.