Home / 1,425,449.27-1,967,120.31-780,892.67

Finding the Fourth Proportional to 1,425,449.27, 1,967,120.31 and 780,892.67

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Solution

The fourth proportional to 1,425,449.27, 1,967,120.31 and 780,892.67 is: 1,077,632.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,449.27 : 1,967,120.31 = 780,892.67 : x
  2. Step 2: Convert to fraction form
    1,425,449.27/1,967,120.31 = 780,892.67/x
  3. Step 3: Cross multiply
    1,425,449.27x = 1,967,120.31 × 780,892.67
  4. Step 4: Simplify right side
    1,425,449.27x = 1,536,109,821,251.53
  5. Step 5: Solve for x
    x = 1,536,109,821,251.53/1,425,449.27
  6. Step 6: Final answer
    x = 1,077,632.06

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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.