Home / 1,491,971.36-2,238,825.44-627,343.73

Finding the Fourth Proportional to 1,491,971.36, 2,238,825.44 and 627,343.73

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Solution

The fourth proportional to 1,491,971.36, 2,238,825.44 and 627,343.73 is: 941,380.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,971.36 : 2,238,825.44 = 627,343.73 : x
  2. Step 2: Convert to fraction form
    1,491,971.36/2,238,825.44 = 627,343.73/x
  3. Step 3: Cross multiply
    1,491,971.36x = 2,238,825.44 × 627,343.73
  4. Step 4: Simplify right side
    1,491,971.36x = 1,404,513,101,118.32
  5. Step 5: Solve for x
    x = 1,404,513,101,118.32/1,491,971.36
  6. Step 6: Final answer
    x = 941,380.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.