Home / 1,227,645.76-1,694,236.32-744,231.28

Finding the Fourth Proportional to 1,227,645.76, 1,694,236.32 and 744,231.28

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Solution

The fourth proportional to 1,227,645.76, 1,694,236.32 and 744,231.28 is: 1,027,090.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,645.76 : 1,694,236.32 = 744,231.28 : x
  2. Step 2: Convert to fraction form
    1,227,645.76/1,694,236.32 = 744,231.28/x
  3. Step 3: Cross multiply
    1,227,645.76x = 1,694,236.32 × 744,231.28
  4. Step 4: Simplify right side
    1,227,645.76x = 1,260,903,665,056.09
  5. Step 5: Solve for x
    x = 1,260,903,665,056.09/1,227,645.76
  6. Step 6: Final answer
    x = 1,027,090.80

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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.