Home / 1,489,277.22-2,055,211.49-810,218.58

Finding the Fourth Proportional to 1,489,277.22, 2,055,211.49 and 810,218.58

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Solution

The fourth proportional to 1,489,277.22, 2,055,211.49 and 810,218.58 is: 1,118,106.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,277.22 : 2,055,211.49 = 810,218.58 : x
  2. Step 2: Convert to fraction form
    1,489,277.22/2,055,211.49 = 810,218.58/x
  3. Step 3: Cross multiply
    1,489,277.22x = 2,055,211.49 × 810,218.58
  4. Step 4: Simplify right side
    1,489,277.22x = 1,665,170,535,027.48
  5. Step 5: Solve for x
    x = 1,665,170,535,027.48/1,489,277.22
  6. Step 6: Final answer
    x = 1,118,106.50

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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.