Home / 1,728,752.20-2,593,128.30-1,098,118.60

Finding the Fourth Proportional to 1,728,752.20, 2,593,128.30 and 1,098,118.60

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Solution

The fourth proportional to 1,728,752.20, 2,593,128.30 and 1,098,118.60 is: 1,647,177.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,752.20 : 2,593,128.30 = 1,098,118.60 : x
  2. Step 2: Convert to fraction form
    1,728,752.20/2,593,128.30 = 1,098,118.60/x
  3. Step 3: Cross multiply
    1,728,752.20x = 2,593,128.30 × 1,098,118.60
  4. Step 4: Simplify right side
    1,728,752.20x = 2,847,562,418,416.38
  5. Step 5: Solve for x
    x = 2,847,562,418,416.38/1,728,752.20
  6. Step 6: Final answer
    x = 1,647,177.90

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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.