Home / 1,040,045.10-1,560,067.65-880,612.80

Finding the Fourth Proportional to 1,040,045.10, 1,560,067.65 and 880,612.80

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Solution

The fourth proportional to 1,040,045.10, 1,560,067.65 and 880,612.80 is: 1,320,919.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,045.10 : 1,560,067.65 = 880,612.80 : x
  2. Step 2: Convert to fraction form
    1,040,045.10/1,560,067.65 = 880,612.80/x
  3. Step 3: Cross multiply
    1,040,045.10x = 1,560,067.65 × 880,612.80
  4. Step 4: Simplify right side
    1,040,045.10x = 1,373,815,541,455.92
  5. Step 5: Solve for x
    x = 1,373,815,541,455.92/1,040,045.10
  6. Step 6: Final answer
    x = 1,320,919.20

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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.