Home / 1,231,112.20-1,846,668.30-1,156,462.60

Finding the Fourth Proportional to 1,231,112.20, 1,846,668.30 and 1,156,462.60

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Solution

The fourth proportional to 1,231,112.20, 1,846,668.30 and 1,156,462.60 is: 1,734,693.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,112.20 : 1,846,668.30 = 1,156,462.60 : x
  2. Step 2: Convert to fraction form
    1,231,112.20/1,846,668.30 = 1,156,462.60/x
  3. Step 3: Cross multiply
    1,231,112.20x = 1,846,668.30 × 1,156,462.60
  4. Step 4: Simplify right side
    1,231,112.20x = 2,135,602,823,555.58
  5. Step 5: Solve for x
    x = 2,135,602,823,555.58/1,231,112.20
  6. Step 6: Final answer
    x = 1,734,693.90

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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.