Home / 1,313,369.28-1,812,371.49-762,042.42

Finding the Fourth Proportional to 1,313,369.28, 1,812,371.49 and 762,042.42

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Solution

The fourth proportional to 1,313,369.28, 1,812,371.49 and 762,042.42 is: 1,051,573.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,369.28 : 1,812,371.49 = 762,042.42 : x
  2. Step 2: Convert to fraction form
    1,313,369.28/1,812,371.49 = 762,042.42/x
  3. Step 3: Cross multiply
    1,313,369.28x = 1,812,371.49 × 762,042.42
  4. Step 4: Simplify right side
    1,313,369.28x = 1,381,103,956,178.61
  5. Step 5: Solve for x
    x = 1,381,103,956,178.61/1,313,369.28
  6. Step 6: Final answer
    x = 1,051,573.21

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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.