Home / 1,753,272.20-2,629,908.30-1,280,880.20

Finding the Fourth Proportional to 1,753,272.20, 2,629,908.30 and 1,280,880.20

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Solution

The fourth proportional to 1,753,272.20, 2,629,908.30 and 1,280,880.20 is: 1,921,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753,272.20 : 2,629,908.30 = 1,280,880.20 : x
  2. Step 2: Convert to fraction form
    1,753,272.20/2,629,908.30 = 1,280,880.20/x
  3. Step 3: Cross multiply
    1,753,272.20x = 2,629,908.30 × 1,280,880.20
  4. Step 4: Simplify right side
    1,753,272.20x = 3,368,597,469,285.66
  5. Step 5: Solve for x
    x = 3,368,597,469,285.66/1,753,272.20
  6. Step 6: Final answer
    x = 1,921,320.30

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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.