Home / 1,422,447.85-1,962,959.14-810,637.03

Finding the Fourth Proportional to 1,422,447.85, 1,962,959.14 and 810,637.03

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Solution

The fourth proportional to 1,422,447.85, 1,962,959.14 and 810,637.03 is: 1,118,668.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,447.85 : 1,962,959.14 = 810,637.03 : x
  2. Step 2: Convert to fraction form
    1,422,447.85/1,962,959.14 = 810,637.03/x
  3. Step 3: Cross multiply
    1,422,447.85x = 1,962,959.14 × 810,637.03
  4. Step 4: Simplify right side
    1,422,447.85x = 1,591,247,367,260.95
  5. Step 5: Solve for x
    x = 1,591,247,367,260.95/1,422,447.85
  6. Step 6: Final answer
    x = 1,118,668.33

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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.