Home / 1,313,095.63-1,812,211.27-769,687.97

Finding the Fourth Proportional to 1,313,095.63, 1,812,211.27 and 769,687.97

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Solution

The fourth proportional to 1,313,095.63, 1,812,211.27 and 769,687.97 is: 1,062,251.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,095.63 : 1,812,211.27 = 769,687.97 : x
  2. Step 2: Convert to fraction form
    1,313,095.63/1,812,211.27 = 769,687.97/x
  3. Step 3: Cross multiply
    1,313,095.63x = 1,812,211.27 × 769,687.97
  4. Step 4: Simplify right side
    1,313,095.63x = 1,394,837,213,617.42
  5. Step 5: Solve for x
    x = 1,394,837,213,617.42/1,313,095.63
  6. Step 6: Final answer
    x = 1,062,251.06

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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.