Home / 1,766,338.24-2,647,735.80-820,373.28

Finding the Fourth Proportional to 1,766,338.24, 2,647,735.80 and 820,373.28

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Solution

The fourth proportional to 1,766,338.24, 2,647,735.80 and 820,373.28 is: 1,229,737.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766,338.24 : 2,647,735.80 = 820,373.28 : x
  2. Step 2: Convert to fraction form
    1,766,338.24/2,647,735.80 = 820,373.28/x
  3. Step 3: Cross multiply
    1,766,338.24x = 2,647,735.80 × 820,373.28
  4. Step 4: Simplify right side
    1,766,338.24x = 2,172,131,702,819.42
  5. Step 5: Solve for x
    x = 2,172,131,702,819.42/1,766,338.24
  6. Step 6: Final answer
    x = 1,229,737.12

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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.