Home / 1,489,320.25-2,055,197.05-826,991.05

Finding the Fourth Proportional to 1,489,320.25, 2,055,197.05 and 826,991.05

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Solution

The fourth proportional to 1,489,320.25, 2,055,197.05 and 826,991.05 is: 1,141,211.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,320.25 : 2,055,197.05 = 826,991.05 : x
  2. Step 2: Convert to fraction form
    1,489,320.25/2,055,197.05 = 826,991.05/x
  3. Step 3: Cross multiply
    1,489,320.25x = 2,055,197.05 × 826,991.05
  4. Step 4: Simplify right side
    1,489,320.25x = 1,699,629,567,636.25
  5. Step 5: Solve for x
    x = 1,699,629,567,636.25/1,489,320.25
  6. Step 6: Final answer
    x = 1,141,211.61

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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.