Home / 1,092,724.32-1,638,517.80-418,603.44

Finding the Fourth Proportional to 1,092,724.32, 1,638,517.80 and 418,603.44

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Solution

The fourth proportional to 1,092,724.32, 1,638,517.80 and 418,603.44 is: 627,687.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,724.32 : 1,638,517.80 = 418,603.44 : x
  2. Step 2: Convert to fraction form
    1,092,724.32/1,638,517.80 = 418,603.44/x
  3. Step 3: Cross multiply
    1,092,724.32x = 1,638,517.80 × 418,603.44
  4. Step 4: Simplify right side
    1,092,724.32x = 685,889,187,581.23
  5. Step 5: Solve for x
    x = 685,889,187,581.23/1,092,724.32
  6. Step 6: Final answer
    x = 627,687.31

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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.