Home / 1,255,154.20-1,732,123.34-682,194.22

Finding the Fourth Proportional to 1,255,154.20, 1,732,123.34 and 682,194.22

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Solution

The fourth proportional to 1,255,154.20, 1,732,123.34 and 682,194.22 is: 941,433.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,154.20 : 1,732,123.34 = 682,194.22 : x
  2. Step 2: Convert to fraction form
    1,255,154.20/1,732,123.34 = 682,194.22/x
  3. Step 3: Cross multiply
    1,255,154.20x = 1,732,123.34 × 682,194.22
  4. Step 4: Simplify right side
    1,255,154.20x = 1,181,644,525,692.04
  5. Step 5: Solve for x
    x = 1,181,644,525,692.04/1,255,154.20
  6. Step 6: Final answer
    x = 941,433.75

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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.