Home / 1,255,170.06-1,732,139.82-682,209

Finding the Fourth Proportional to 1,255,170.06, 1,732,139.82 and 682,209

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Solution

The fourth proportional to 1,255,170.06, 1,732,139.82 and 682,209 is: 941,451.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,170.06 : 1,732,139.82 = 682,209 : x
  2. Step 2: Convert to fraction form
    1,255,170.06/1,732,139.82 = 682,209/x
  3. Step 3: Cross multiply
    1,255,170.06x = 1,732,139.82 × 682,209
  4. Step 4: Simplify right side
    1,255,170.06x = 1,181,681,374,462.38
  5. Step 5: Solve for x
    x = 1,181,681,374,462.38/1,255,170.06
  6. Step 6: Final answer
    x = 941,451.21

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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.