Home / 1,212,767.97-1,673,774.46-1,008,467.34

Finding the Fourth Proportional to 1,212,767.97, 1,673,774.46 and 1,008,467.34

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Solution

The fourth proportional to 1,212,767.97, 1,673,774.46 and 1,008,467.34 is: 1,391,813.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,767.97 : 1,673,774.46 = 1,008,467.34 : x
  2. Step 2: Convert to fraction form
    1,212,767.97/1,673,774.46 = 1,008,467.34/x
  3. Step 3: Cross multiply
    1,212,767.97x = 1,673,774.46 × 1,008,467.34
  4. Step 4: Simplify right side
    1,212,767.97x = 1,687,946,877,436.14
  5. Step 5: Solve for x
    x = 1,687,946,877,436.14/1,212,767.97
  6. Step 6: Final answer
    x = 1,391,813.54

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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.