Home / 1,313,704.40-1,812,956.81-762,377.42

Finding the Fourth Proportional to 1,313,704.40, 1,812,956.81 and 762,377.42

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Solution

The fourth proportional to 1,313,704.40, 1,812,956.81 and 762,377.42 is: 1,052,106.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,704.40 : 1,812,956.81 = 762,377.42 : x
  2. Step 2: Convert to fraction form
    1,313,704.40/1,812,956.81 = 762,377.42/x
  3. Step 3: Cross multiply
    1,313,704.40x = 1,812,956.81 × 762,377.42
  4. Step 4: Simplify right side
    1,313,704.40x = 1,382,157,322,502.56
  5. Step 5: Solve for x
    x = 1,382,157,322,502.56/1,313,704.40
  6. Step 6: Final answer
    x = 1,052,106.80

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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.