Home / 1,099,737.20-1,649,605.80-539,865.20

Finding the Fourth Proportional to 1,099,737.20, 1,649,605.80 and 539,865.20

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Solution

The fourth proportional to 1,099,737.20, 1,649,605.80 and 539,865.20 is: 809,797.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,737.20 : 1,649,605.80 = 539,865.20 : x
  2. Step 2: Convert to fraction form
    1,099,737.20/1,649,605.80 = 539,865.20/x
  3. Step 3: Cross multiply
    1,099,737.20x = 1,649,605.80 × 539,865.20
  4. Step 4: Simplify right side
    1,099,737.20x = 890,564,765,138.16
  5. Step 5: Solve for x
    x = 890,564,765,138.16/1,099,737.20
  6. Step 6: Final answer
    x = 809,797.80

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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.