Home / 1,110,401.20-1,665,990.60-479,767.60

Finding the Fourth Proportional to 1,110,401.20, 1,665,990.60 and 479,767.60

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Solution

The fourth proportional to 1,110,401.20, 1,665,990.60 and 479,767.60 is: 719,819.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,401.20 : 1,665,990.60 = 479,767.60 : x
  2. Step 2: Convert to fraction form
    1,110,401.20/1,665,990.60 = 479,767.60/x
  3. Step 3: Cross multiply
    1,110,401.20x = 1,665,990.60 × 479,767.60
  4. Step 4: Simplify right side
    1,110,401.20x = 799,288,311,784.56
  5. Step 5: Solve for x
    x = 799,288,311,784.56/1,110,401.20
  6. Step 6: Final answer
    x = 719,819.39

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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.