Home / 1,373,993.28-1,896,116.76-762,103.44

Finding the Fourth Proportional to 1,373,993.28, 1,896,116.76 and 762,103.44

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Solution

The fourth proportional to 1,373,993.28, 1,896,116.76 and 762,103.44 is: 1,051,706.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,993.28 : 1,896,116.76 = 762,103.44 : x
  2. Step 2: Convert to fraction form
    1,373,993.28/1,896,116.76 = 762,103.44/x
  3. Step 3: Cross multiply
    1,373,993.28x = 1,896,116.76 × 762,103.44
  4. Step 4: Simplify right side
    1,373,993.28x = 1,445,037,105,437.65
  5. Step 5: Solve for x
    x = 1,445,037,105,437.65/1,373,993.28
  6. Step 6: Final answer
    x = 1,051,706.09

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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.