Home / 1,099,404.80-1,649,107.20-850,265.60

Finding the Fourth Proportional to 1,099,404.80, 1,649,107.20 and 850,265.60

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Solution

The fourth proportional to 1,099,404.80, 1,649,107.20 and 850,265.60 is: 1,275,398.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,404.80 : 1,649,107.20 = 850,265.60 : x
  2. Step 2: Convert to fraction form
    1,099,404.80/1,649,107.20 = 850,265.60/x
  3. Step 3: Cross multiply
    1,099,404.80x = 1,649,107.20 × 850,265.60
  4. Step 4: Simplify right side
    1,099,404.80x = 1,402,179,122,872.32
  5. Step 5: Solve for x
    x = 1,402,179,122,872.32/1,099,404.80
  6. Step 6: Final answer
    x = 1,275,398.40

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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.