Home / 1,374,179-1,896,371.79-762,343.88

Finding the Fourth Proportional to 1,374,179, 1,896,371.79 and 762,343.88

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Solution

The fourth proportional to 1,374,179, 1,896,371.79 and 762,343.88 is: 1,052,037.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,179 : 1,896,371.79 = 762,343.88 : x
  2. Step 2: Convert to fraction form
    1,374,179/1,896,371.79 = 762,343.88/x
  3. Step 3: Cross multiply
    1,374,179x = 1,896,371.79 × 762,343.88
  4. Step 4: Simplify right side
    1,374,179x = 1,445,687,428,311.15
  5. Step 5: Solve for x
    x = 1,445,687,428,311.15/1,374,179
  6. Step 6: Final answer
    x = 1,052,037.20

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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.