Home / 1,431,245.85-2,146,949.19-458,694.77

Finding the Fourth Proportional to 1,431,245.85, 2,146,949.19 and 458,694.77

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Solution

The fourth proportional to 1,431,245.85, 2,146,949.19 and 458,694.77 is: 688,067.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,245.85 : 2,146,949.19 = 458,694.77 : x
  2. Step 2: Convert to fraction form
    1,431,245.85/2,146,949.19 = 458,694.77/x
  3. Step 3: Cross multiply
    1,431,245.85x = 2,146,949.19 × 458,694.77
  4. Step 4: Simplify right side
    1,431,245.85x = 984,794,366,250.58
  5. Step 5: Solve for x
    x = 984,794,366,250.58/1,431,245.85
  6. Step 6: Final answer
    x = 688,067.93

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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.