Home / 1,255,047.48-1,731,978.90-682,087.68

Finding the Fourth Proportional to 1,255,047.48, 1,731,978.90 and 682,087.68

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Solution

The fourth proportional to 1,255,047.48, 1,731,978.90 and 682,087.68 is: 941,288.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,047.48 : 1,731,978.90 = 682,087.68 : x
  2. Step 2: Convert to fraction form
    1,255,047.48/1,731,978.90 = 682,087.68/x
  3. Step 3: Cross multiply
    1,255,047.48x = 1,731,978.90 × 682,087.68
  4. Step 4: Simplify right side
    1,255,047.48x = 1,181,361,469,709.95
  5. Step 5: Solve for x
    x = 1,181,361,469,709.95/1,255,047.48
  6. Step 6: Final answer
    x = 941,288.27

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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.