Home / 1,104,111.90-1,656,167.85-726,198.30

Finding the Fourth Proportional to 1,104,111.90, 1,656,167.85 and 726,198.30

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Solution

The fourth proportional to 1,104,111.90, 1,656,167.85 and 726,198.30 is: 1,089,297.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,111.90 : 1,656,167.85 = 726,198.30 : x
  2. Step 2: Convert to fraction form
    1,104,111.90/1,656,167.85 = 726,198.30/x
  3. Step 3: Cross multiply
    1,104,111.90x = 1,656,167.85 × 726,198.30
  4. Step 4: Simplify right side
    1,104,111.90x = 1,202,706,277,184.66
  5. Step 5: Solve for x
    x = 1,202,706,277,184.66/1,104,111.90
  6. Step 6: Final answer
    x = 1,089,297.45

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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.