Home / 1,227,643.26-1,694,232.87-744,228.78

Finding the Fourth Proportional to 1,227,643.26, 1,694,232.87 and 744,228.78

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Solution

The fourth proportional to 1,227,643.26, 1,694,232.87 and 744,228.78 is: 1,027,087.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,643.26 : 1,694,232.87 = 744,228.78 : x
  2. Step 2: Convert to fraction form
    1,227,643.26/1,694,232.87 = 744,228.78/x
  3. Step 3: Cross multiply
    1,227,643.26x = 1,694,232.87 × 744,228.78
  4. Step 4: Simplify right side
    1,227,643.26x = 1,260,896,861,876.00
  5. Step 5: Solve for x
    x = 1,260,896,861,876.00/1,227,643.26
  6. Step 6: Final answer
    x = 1,027,087.35

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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.