Home / 1,320,651.30-1,819,234.17-1,126,426.26

Finding the Fourth Proportional to 1,320,651.30, 1,819,234.17 and 1,126,426.26

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Solution

The fourth proportional to 1,320,651.30, 1,819,234.17 and 1,126,426.26 is: 1,551,683.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,651.30 : 1,819,234.17 = 1,126,426.26 : x
  2. Step 2: Convert to fraction form
    1,320,651.30/1,819,234.17 = 1,126,426.26/x
  3. Step 3: Cross multiply
    1,320,651.30x = 1,819,234.17 × 1,126,426.26
  4. Step 4: Simplify right side
    1,320,651.30x = 2,049,233,142,177.30
  5. Step 5: Solve for x
    x = 2,049,233,142,177.30/1,320,651.30
  6. Step 6: Final answer
    x = 1,551,683.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.