Home / 1,129,120-1,694,012.71-454,854.33

Finding the Fourth Proportional to 1,129,120, 1,694,012.71 and 454,854.33

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Solution

The fourth proportional to 1,129,120, 1,694,012.71 and 454,854.33 is: 682,415.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,120 : 1,694,012.71 = 454,854.33 : x
  2. Step 2: Convert to fraction form
    1,129,120/1,694,012.71 = 454,854.33/x
  3. Step 3: Cross multiply
    1,129,120x = 1,694,012.71 × 454,854.33
  4. Step 4: Simplify right side
    1,129,120x = 770,529,019,316.43
  5. Step 5: Solve for x
    x = 770,529,019,316.43/1,129,120
  6. Step 6: Final answer
    x = 682,415.53

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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.