Home / 1,087,058.15-1,629,032.02-800,512.55

Finding the Fourth Proportional to 1,087,058.15, 1,629,032.02 and 800,512.55

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Solution

The fourth proportional to 1,087,058.15, 1,629,032.02 and 800,512.55 is: 1,199,623.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,058.15 : 1,629,032.02 = 800,512.55 : x
  2. Step 2: Convert to fraction form
    1,087,058.15/1,629,032.02 = 800,512.55/x
  3. Step 3: Cross multiply
    1,087,058.15x = 1,629,032.02 × 800,512.55
  4. Step 4: Simplify right side
    1,087,058.15x = 1,304,060,576,361.85
  5. Step 5: Solve for x
    x = 1,304,060,576,361.85/1,087,058.15
  6. Step 6: Final answer
    x = 1,199,623.57

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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.