Home / 1,658,111.60-2,489,791.80-1,259,202.80

Finding the Fourth Proportional to 1,658,111.60, 2,489,791.80 and 1,259,202.80

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Solution

The fourth proportional to 1,658,111.60, 2,489,791.80 and 1,259,202.80 is: 1,890,797.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658,111.60 : 2,489,791.80 = 1,259,202.80 : x
  2. Step 2: Convert to fraction form
    1,658,111.60/2,489,791.80 = 1,259,202.80/x
  3. Step 3: Cross multiply
    1,658,111.60x = 2,489,791.80 × 1,259,202.80
  4. Step 4: Simplify right side
    1,658,111.60x = 3,135,152,805,977.04
  5. Step 5: Solve for x
    x = 3,135,152,805,977.04/1,658,111.60
  6. Step 6: Final answer
    x = 1,890,797.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.