Home / 1,257,997.28-1,735,765.44-748,600.16

Finding the Fourth Proportional to 1,257,997.28, 1,735,765.44 and 748,600.16

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Solution

The fourth proportional to 1,257,997.28, 1,735,765.44 and 748,600.16 is: 1,032,907.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,997.28 : 1,735,765.44 = 748,600.16 : x
  2. Step 2: Convert to fraction form
    1,257,997.28/1,735,765.44 = 748,600.16/x
  3. Step 3: Cross multiply
    1,257,997.28x = 1,735,765.44 × 748,600.16
  4. Step 4: Simplify right side
    1,257,997.28x = 1,299,394,286,106.47
  5. Step 5: Solve for x
    x = 1,299,394,286,106.47/1,257,997.28
  6. Step 6: Final answer
    x = 1,032,907.07

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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.