Home / 1,489,435.82-2,055,360.03-810,375.02

Finding the Fourth Proportional to 1,489,435.82, 2,055,360.03 and 810,375.02

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Solution

The fourth proportional to 1,489,435.82, 2,055,360.03 and 810,375.02 is: 1,118,284.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,435.82 : 2,055,360.03 = 810,375.02 : x
  2. Step 2: Convert to fraction form
    1,489,435.82/2,055,360.03 = 810,375.02/x
  3. Step 3: Cross multiply
    1,489,435.82x = 2,055,360.03 × 810,375.02
  4. Step 4: Simplify right side
    1,489,435.82x = 1,665,612,425,418.45
  5. Step 5: Solve for x
    x = 1,665,612,425,418.45/1,489,435.82
  6. Step 6: Final answer
    x = 1,118,284.12

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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.