Home / 1,380,823.20-2,068,581.24-846,786.96

Finding the Fourth Proportional to 1,380,823.20, 2,068,581.24 and 846,786.96

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Solution

The fourth proportional to 1,380,823.20, 2,068,581.24 and 846,786.96 is: 1,268,553.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,823.20 : 2,068,581.24 = 846,786.96 : x
  2. Step 2: Convert to fraction form
    1,380,823.20/2,068,581.24 = 846,786.96/x
  3. Step 3: Cross multiply
    1,380,823.20x = 2,068,581.24 × 846,786.96
  4. Step 4: Simplify right side
    1,380,823.20x = 1,751,647,619,732.63
  5. Step 5: Solve for x
    x = 1,751,647,619,732.63/1,380,823.20
  6. Step 6: Final answer
    x = 1,268,553.15

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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.