Home / 1,227,638.50-1,694,226.31-744,224.02

Finding the Fourth Proportional to 1,227,638.50, 1,694,226.31 and 744,224.02

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Solution

The fourth proportional to 1,227,638.50, 1,694,226.31 and 744,224.02 is: 1,027,080.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,638.50 : 1,694,226.31 = 744,224.02 : x
  2. Step 2: Convert to fraction form
    1,227,638.50/1,694,226.31 = 744,224.02/x
  3. Step 3: Cross multiply
    1,227,638.50x = 1,694,226.31 × 744,224.02
  4. Step 4: Simplify right side
    1,227,638.50x = 1,260,883,909,121.84
  5. Step 5: Solve for x
    x = 1,260,883,909,121.84/1,227,638.50
  6. Step 6: Final answer
    x = 1,027,080.78

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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.