Home / 1,521,987.46-2,100,234.94-868,460.36

Finding the Fourth Proportional to 1,521,987.46, 2,100,234.94 and 868,460.36

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Solution

The fourth proportional to 1,521,987.46, 2,100,234.94 and 868,460.36 is: 1,198,413.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,987.46 : 2,100,234.94 = 868,460.36 : x
  2. Step 2: Convert to fraction form
    1,521,987.46/2,100,234.94 = 868,460.36/x
  3. Step 3: Cross multiply
    1,521,987.46x = 2,100,234.94 × 868,460.36
  4. Step 4: Simplify right side
    1,521,987.46x = 1,823,970,792,076.98
  5. Step 5: Solve for x
    x = 1,823,970,792,076.98/1,521,987.46
  6. Step 6: Final answer
    x = 1,198,413.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.