Home / 1,278,050.70-1,917,473.82-379,497.12

Finding the Fourth Proportional to 1,278,050.70, 1,917,473.82 and 379,497.12

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Solution

The fourth proportional to 1,278,050.70, 1,917,473.82 and 379,497.12 is: 569,363.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,050.70 : 1,917,473.82 = 379,497.12 : x
  2. Step 2: Convert to fraction form
    1,278,050.70/1,917,473.82 = 379,497.12/x
  3. Step 3: Cross multiply
    1,278,050.70x = 1,917,473.82 × 379,497.12
  4. Step 4: Simplify right side
    1,278,050.70x = 727,675,792,365.40
  5. Step 5: Solve for x
    x = 727,675,792,365.40/1,278,050.70
  6. Step 6: Final answer
    x = 569,363.79

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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.