Home / 1,521,116.82-2,099,257.81-867,757.23

Finding the Fourth Proportional to 1,521,116.82, 2,099,257.81 and 867,757.23

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Solution

The fourth proportional to 1,521,116.82, 2,099,257.81 and 867,757.23 is: 1,197,571.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,116.82 : 2,099,257.81 = 867,757.23 : x
  2. Step 2: Convert to fraction form
    1,521,116.82/2,099,257.81 = 867,757.23/x
  3. Step 3: Cross multiply
    1,521,116.82x = 2,099,257.81 × 867,757.23
  4. Step 4: Simplify right side
    1,521,116.82x = 1,821,646,140,092.07
  5. Step 5: Solve for x
    x = 1,821,646,140,092.07/1,521,116.82
  6. Step 6: Final answer
    x = 1,197,571.49

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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.