Home / 1,121,906.66-1,558,682.83-1,108,454.57

Finding the Fourth Proportional to 1,121,906.66, 1,558,682.83 and 1,108,454.57

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Solution

The fourth proportional to 1,121,906.66, 1,558,682.83 and 1,108,454.57 is: 1,539,993.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,906.66 : 1,558,682.83 = 1,108,454.57 : x
  2. Step 2: Convert to fraction form
    1,121,906.66/1,558,682.83 = 1,108,454.57/x
  3. Step 3: Cross multiply
    1,121,906.66x = 1,558,682.83 × 1,108,454.57
  4. Step 4: Simplify right side
    1,121,906.66x = 1,727,729,095,529.48
  5. Step 5: Solve for x
    x = 1,727,729,095,529.48/1,121,906.66
  6. Step 6: Final answer
    x = 1,539,993.61

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.