Home / 1,755,620.70-2,422,905.75-991,814.46

Finding the Fourth Proportional to 1,755,620.70, 2,422,905.75 and 991,814.46

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Solution

The fourth proportional to 1,755,620.70, 2,422,905.75 and 991,814.46 is: 1,368,788.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,620.70 : 2,422,905.75 = 991,814.46 : x
  2. Step 2: Convert to fraction form
    1,755,620.70/2,422,905.75 = 991,814.46/x
  3. Step 3: Cross multiply
    1,755,620.70x = 2,422,905.75 × 991,814.46
  4. Step 4: Simplify right side
    1,755,620.70x = 2,403,072,958,067.15
  5. Step 5: Solve for x
    x = 2,403,072,958,067.15/1,755,620.70
  6. Step 6: Final answer
    x = 1,368,788.23

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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.