Home / 1,255,090.88-1,732,025.63-682,131.07

Finding the Fourth Proportional to 1,255,090.88, 1,732,025.63 and 682,131.07

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Solution

The fourth proportional to 1,255,090.88, 1,732,025.63 and 682,131.07 is: 941,340.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,090.88 : 1,732,025.63 = 682,131.07 : x
  2. Step 2: Convert to fraction form
    1,255,090.88/1,732,025.63 = 682,131.07/x
  3. Step 3: Cross multiply
    1,255,090.88x = 1,732,025.63 × 682,131.07
  4. Step 4: Simplify right side
    1,255,090.88x = 1,181,468,500,129.68
  5. Step 5: Solve for x
    x = 1,181,468,500,129.68/1,255,090.88
  6. Step 6: Final answer
    x = 941,340.99

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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.