Home / 1,255,137.50-1,732,083.62-682,177.72

Finding the Fourth Proportional to 1,255,137.50, 1,732,083.62 and 682,177.72

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Solution

The fourth proportional to 1,255,137.50, 1,732,083.62 and 682,177.72 is: 941,401.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,137.50 : 1,732,083.62 = 682,177.72 : x
  2. Step 2: Convert to fraction form
    1,255,137.50/1,732,083.62 = 682,177.72/x
  3. Step 3: Cross multiply
    1,255,137.50x = 1,732,083.62 × 682,177.72
  4. Step 4: Simplify right side
    1,255,137.50x = 1,181,588,854,740.95
  5. Step 5: Solve for x
    x = 1,181,588,854,740.95/1,255,137.50
  6. Step 6: Final answer
    x = 941,401.92

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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.