Home / 1,072,086.12-1,478,920.41-868,367.07

Finding the Fourth Proportional to 1,072,086.12, 1,478,920.41 and 868,367.07

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Solution

The fourth proportional to 1,072,086.12, 1,478,920.41 and 868,367.07 is: 1,197,894.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,086.12 : 1,478,920.41 = 868,367.07 : x
  2. Step 2: Convert to fraction form
    1,072,086.12/1,478,920.41 = 868,367.07/x
  3. Step 3: Cross multiply
    1,072,086.12x = 1,478,920.41 × 868,367.07
  4. Step 4: Simplify right side
    1,072,086.12x = 1,284,245,783,194.90
  5. Step 5: Solve for x
    x = 1,284,245,783,194.90/1,072,086.12
  6. Step 6: Final answer
    x = 1,197,894.24

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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.