Home / 1,787,153.51-2,682,059.21-722,204.80

Finding the Fourth Proportional to 1,787,153.51, 2,682,059.21 and 722,204.80

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Solution

The fourth proportional to 1,787,153.51, 2,682,059.21 and 722,204.80 is: 1,083,844.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,153.51 : 2,682,059.21 = 722,204.80 : x
  2. Step 2: Convert to fraction form
    1,787,153.51/2,682,059.21 = 722,204.80/x
  3. Step 3: Cross multiply
    1,787,153.51x = 2,682,059.21 × 722,204.80
  4. Step 4: Simplify right side
    1,787,153.51x = 1,936,996,027,738.30
  5. Step 5: Solve for x
    x = 1,936,996,027,738.30/1,787,153.51
  6. Step 6: Final answer
    x = 1,083,844.23

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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.