Home / 1,454,193.48-2,180,278.29-644,138.13

Finding the Fourth Proportional to 1,454,193.48, 2,180,278.29 and 644,138.13

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Solution

The fourth proportional to 1,454,193.48, 2,180,278.29 and 644,138.13 is: 965,758.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454,193.48 : 2,180,278.29 = 644,138.13 : x
  2. Step 2: Convert to fraction form
    1,454,193.48/2,180,278.29 = 644,138.13/x
  3. Step 3: Cross multiply
    1,454,193.48x = 2,180,278.29 × 644,138.13
  4. Step 4: Simplify right side
    1,454,193.48x = 1,404,400,380,600.20
  5. Step 5: Solve for x
    x = 1,404,400,380,600.20/1,454,193.48
  6. Step 6: Final answer
    x = 965,758.96

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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.