Home / 1,255,015.12-1,731,934.22-682,055.28

Finding the Fourth Proportional to 1,255,015.12, 1,731,934.22 and 682,055.28

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Solution

The fourth proportional to 1,255,015.12, 1,731,934.22 and 682,055.28 is: 941,243.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,015.12 : 1,731,934.22 = 682,055.28 : x
  2. Step 2: Convert to fraction form
    1,255,015.12/1,731,934.22 = 682,055.28/x
  3. Step 3: Cross multiply
    1,255,015.12x = 1,731,934.22 × 682,055.28
  4. Step 4: Simplify right side
    1,255,015.12x = 1,181,274,879,363.68
  5. Step 5: Solve for x
    x = 1,181,274,879,363.68/1,255,015.12
  6. Step 6: Final answer
    x = 941,243.54

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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.