Home / 1,255,165.14-1,732,128.15-682,205.40

Finding the Fourth Proportional to 1,255,165.14, 1,732,128.15 and 682,205.40

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Solution

The fourth proportional to 1,255,165.14, 1,732,128.15 and 682,205.40 is: 941,443.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,165.14 : 1,732,128.15 = 682,205.40 : x
  2. Step 2: Convert to fraction form
    1,255,165.14/1,732,128.15 = 682,205.40/x
  3. Step 3: Cross multiply
    1,255,165.14x = 1,732,128.15 × 682,205.40
  4. Step 4: Simplify right side
    1,255,165.14x = 1,181,667,177,422.01
  5. Step 5: Solve for x
    x = 1,181,667,177,422.01/1,255,165.14
  6. Step 6: Final answer
    x = 941,443.59

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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.