Home / 1,427,393.13-2,140,234.67-454,337.15

Finding the Fourth Proportional to 1,427,393.13, 2,140,234.67 and 454,337.15

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Solution

The fourth proportional to 1,427,393.13, 2,140,234.67 and 454,337.15 is: 681,233.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,393.13 : 2,140,234.67 = 454,337.15 : x
  2. Step 2: Convert to fraction form
    1,427,393.13/2,140,234.67 = 454,337.15/x
  3. Step 3: Cross multiply
    1,427,393.13x = 2,140,234.67 × 454,337.15
  4. Step 4: Simplify right side
    1,427,393.13x = 972,388,107,326.13
  5. Step 5: Solve for x
    x = 972,388,107,326.13/1,427,393.13
  6. Step 6: Final answer
    x = 681,233.56

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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.