Home / 1,274,486.75-1,758,959.67-765,221.93

Finding the Fourth Proportional to 1,274,486.75, 1,758,959.67 and 765,221.93

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Solution

The fourth proportional to 1,274,486.75, 1,758,959.67 and 765,221.93 is: 1,056,107.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,486.75 : 1,758,959.67 = 765,221.93 : x
  2. Step 2: Convert to fraction form
    1,274,486.75/1,758,959.67 = 765,221.93/x
  3. Step 3: Cross multiply
    1,274,486.75x = 1,758,959.67 × 765,221.93
  4. Step 4: Simplify right side
    1,274,486.75x = 1,345,994,513,469.56
  5. Step 5: Solve for x
    x = 1,345,994,513,469.56/1,274,486.75
  6. Step 6: Final answer
    x = 1,056,107.11

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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.