Home / 1,449,060.86-1,999,665.06-868,611.90

Finding the Fourth Proportional to 1,449,060.86, 1,999,665.06 and 868,611.90

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Solution

The fourth proportional to 1,449,060.86, 1,999,665.06 and 868,611.90 is: 1,198,661.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,060.86 : 1,999,665.06 = 868,611.90 : x
  2. Step 2: Convert to fraction form
    1,449,060.86/1,999,665.06 = 868,611.90/x
  3. Step 3: Cross multiply
    1,449,060.86x = 1,999,665.06 × 868,611.90
  4. Step 4: Simplify right side
    1,449,060.86x = 1,736,932,867,130.21
  5. Step 5: Solve for x
    x = 1,736,932,867,130.21/1,449,060.86
  6. Step 6: Final answer
    x = 1,198,661.09

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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.