Home / 1,288,324.89-1,777,489.66-744,262.16

Finding the Fourth Proportional to 1,288,324.89, 1,777,489.66 and 744,262.16

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Solution

The fourth proportional to 1,288,324.89, 1,777,489.66 and 744,262.16 is: 1,026,851.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,324.89 : 1,777,489.66 = 744,262.16 : x
  2. Step 2: Convert to fraction form
    1,288,324.89/1,777,489.66 = 744,262.16/x
  3. Step 3: Cross multiply
    1,288,324.89x = 1,777,489.66 × 744,262.16
  4. Step 4: Simplify right side
    1,288,324.89x = 1,322,918,296,312.33
  5. Step 5: Solve for x
    x = 1,322,918,296,312.33/1,288,324.89
  6. Step 6: Final answer
    x = 1,026,851.46

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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.