Home / 1,728,415.20-2,591,845.20-663,103.20

Finding the Fourth Proportional to 1,728,415.20, 2,591,845.20 and 663,103.20

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Solution

The fourth proportional to 1,728,415.20, 2,591,845.20 and 663,103.20 is: 994,356.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,415.20 : 2,591,845.20 = 663,103.20 : x
  2. Step 2: Convert to fraction form
    1,728,415.20/2,591,845.20 = 663,103.20/x
  3. Step 3: Cross multiply
    1,728,415.20x = 2,591,845.20 × 663,103.20
  4. Step 4: Simplify right side
    1,728,415.20x = 1,718,660,846,024.64
  5. Step 5: Solve for x
    x = 1,718,660,846,024.64/1,728,415.20
  6. Step 6: Final answer
    x = 994,356.48

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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.