Home / 1,278,431.11-1,764,536.87-734,882.20

Finding the Fourth Proportional to 1,278,431.11, 1,764,536.87 and 734,882.20

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Solution

The fourth proportional to 1,278,431.11, 1,764,536.87 and 734,882.20 is: 1,014,311.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,431.11 : 1,764,536.87 = 734,882.20 : x
  2. Step 2: Convert to fraction form
    1,278,431.11/1,764,536.87 = 734,882.20/x
  3. Step 3: Cross multiply
    1,278,431.11x = 1,764,536.87 × 734,882.20
  4. Step 4: Simplify right side
    1,278,431.11x = 1,296,726,728,920.96
  5. Step 5: Solve for x
    x = 1,296,726,728,920.96/1,278,431.11
  6. Step 6: Final answer
    x = 1,014,311.00

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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.