Home / 1,107,879.66-1,662,566.32-388,227.84

Finding the Fourth Proportional to 1,107,879.66, 1,662,566.32 and 388,227.84

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Solution

The fourth proportional to 1,107,879.66, 1,662,566.32 and 388,227.84 is: 582,603.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,879.66 : 1,662,566.32 = 388,227.84 : x
  2. Step 2: Convert to fraction form
    1,107,879.66/1,662,566.32 = 388,227.84/x
  3. Step 3: Cross multiply
    1,107,879.66x = 1,662,566.32 × 388,227.84
  4. Step 4: Simplify right side
    1,107,879.66x = 645,454,531,270.35
  5. Step 5: Solve for x
    x = 645,454,531,270.35/1,107,879.66
  6. Step 6: Final answer
    x = 582,603.47

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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.