Home / 1,008,187.80-1,512,281.73-298,160.55

Finding the Fourth Proportional to 1,008,187.80, 1,512,281.73 and 298,160.55

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Solution

The fourth proportional to 1,008,187.80, 1,512,281.73 and 298,160.55 is: 447,240.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,187.80 : 1,512,281.73 = 298,160.55 : x
  2. Step 2: Convert to fraction form
    1,008,187.80/1,512,281.73 = 298,160.55/x
  3. Step 3: Cross multiply
    1,008,187.80x = 1,512,281.73 × 298,160.55
  4. Step 4: Simplify right side
    1,008,187.80x = 450,902,752,371.75
  5. Step 5: Solve for x
    x = 450,902,752,371.75/1,008,187.80
  6. Step 6: Final answer
    x = 447,240.83

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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.