Home / 1,100,664.90-1,650,997.35-722,751.30

Finding the Fourth Proportional to 1,100,664.90, 1,650,997.35 and 722,751.30

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Solution

The fourth proportional to 1,100,664.90, 1,650,997.35 and 722,751.30 is: 1,084,126.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,664.90 : 1,650,997.35 = 722,751.30 : x
  2. Step 2: Convert to fraction form
    1,100,664.90/1,650,997.35 = 722,751.30/x
  3. Step 3: Cross multiply
    1,100,664.90x = 1,650,997.35 × 722,751.30
  4. Step 4: Simplify right side
    1,100,664.90x = 1,193,260,481,009.06
  5. Step 5: Solve for x
    x = 1,193,260,481,009.06/1,100,664.90
  6. Step 6: Final answer
    x = 1,084,126.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.