Home / 1,052,103.33-1,578,023.78-421,022.61

Finding the Fourth Proportional to 1,052,103.33, 1,578,023.78 and 421,022.61

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Solution

The fourth proportional to 1,052,103.33, 1,578,023.78 and 421,022.61 is: 631,481.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,103.33 : 1,578,023.78 = 421,022.61 : x
  2. Step 2: Convert to fraction form
    1,052,103.33/1,578,023.78 = 421,022.61/x
  3. Step 3: Cross multiply
    1,052,103.33x = 1,578,023.78 × 421,022.61
  4. Step 4: Simplify right side
    1,052,103.33x = 664,383,688,392.55
  5. Step 5: Solve for x
    x = 664,383,688,392.55/1,052,103.33
  6. Step 6: Final answer
    x = 631,481.40

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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.