Home / 1,755,101.28-2,421,993.31-980,738.48

Finding the Fourth Proportional to 1,755,101.28, 2,421,993.31 and 980,738.48

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Solution

The fourth proportional to 1,755,101.28, 2,421,993.31 and 980,738.48 is: 1,353,393.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,101.28 : 2,421,993.31 = 980,738.48 : x
  2. Step 2: Convert to fraction form
    1,755,101.28/2,421,993.31 = 980,738.48/x
  3. Step 3: Cross multiply
    1,755,101.28x = 2,421,993.31 × 980,738.48
  4. Step 4: Simplify right side
    1,755,101.28x = 2,375,342,040,103.26
  5. Step 5: Solve for x
    x = 2,375,342,040,103.26/1,755,101.28
  6. Step 6: Final answer
    x = 1,353,393.14

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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.