Home / 1,099,321.20-1,648,981.80-539,449.20

Finding the Fourth Proportional to 1,099,321.20, 1,648,981.80 and 539,449.20

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Solution

The fourth proportional to 1,099,321.20, 1,648,981.80 and 539,449.20 is: 809,173.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,321.20 : 1,648,981.80 = 539,449.20 : x
  2. Step 2: Convert to fraction form
    1,099,321.20/1,648,981.80 = 539,449.20/x
  3. Step 3: Cross multiply
    1,099,321.20x = 1,648,981.80 × 539,449.20
  4. Step 4: Simplify right side
    1,099,321.20x = 889,541,912,824.56
  5. Step 5: Solve for x
    x = 889,541,912,824.56/1,099,321.20
  6. Step 6: Final answer
    x = 809,173.80

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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.