Home / 1,787,578.46-2,677,777.58-826,687.20

Finding the Fourth Proportional to 1,787,578.46, 2,677,777.58 and 826,687.20

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Solution

The fourth proportional to 1,787,578.46, 2,677,777.58 and 826,687.20 is: 1,238,370.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,578.46 : 2,677,777.58 = 826,687.20 : x
  2. Step 2: Convert to fraction form
    1,787,578.46/2,677,777.58 = 826,687.20/x
  3. Step 3: Cross multiply
    1,787,578.46x = 2,677,777.58 × 826,687.20
  4. Step 4: Simplify right side
    1,787,578.46x = 2,213,684,449,832.98
  5. Step 5: Solve for x
    x = 2,213,684,449,832.98/1,787,578.46
  6. Step 6: Final answer
    x = 1,238,370.51

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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.