Home / 1,557,504.22-2,149,351.56-869,168.92

Finding the Fourth Proportional to 1,557,504.22, 2,149,351.56 and 869,168.92

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Solution

The fourth proportional to 1,557,504.22, 2,149,351.56 and 869,168.92 is: 1,199,450.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,504.22 : 2,149,351.56 = 869,168.92 : x
  2. Step 2: Convert to fraction form
    1,557,504.22/2,149,351.56 = 869,168.92/x
  3. Step 3: Cross multiply
    1,557,504.22x = 2,149,351.56 × 869,168.92
  4. Step 4: Simplify right side
    1,557,504.22x = 1,868,149,574,105.52
  5. Step 5: Solve for x
    x = 1,868,149,574,105.52/1,557,504.22
  6. Step 6: Final answer
    x = 1,199,450.73

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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.