Home / 1,343,116.28-1,853,406.92-762,351.29

Finding the Fourth Proportional to 1,343,116.28, 1,853,406.92 and 762,351.29

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Solution

The fourth proportional to 1,343,116.28, 1,853,406.92 and 762,351.29 is: 1,051,991.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,116.28 : 1,853,406.92 = 762,351.29 : x
  2. Step 2: Convert to fraction form
    1,343,116.28/1,853,406.92 = 762,351.29/x
  3. Step 3: Cross multiply
    1,343,116.28x = 1,853,406.92 × 762,351.29
  4. Step 4: Simplify right side
    1,343,116.28x = 1,412,947,162,083.23
  5. Step 5: Solve for x
    x = 1,412,947,162,083.23/1,343,116.28
  6. Step 6: Final answer
    x = 1,051,991.69

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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.