Home / 1,008,989.49-1,392,404.70-550,104.03

Finding the Fourth Proportional to 1,008,989.49, 1,392,404.70 and 550,104.03

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Solution

The fourth proportional to 1,008,989.49, 1,392,404.70 and 550,104.03 is: 759,143.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,989.49 : 1,392,404.70 = 550,104.03 : x
  2. Step 2: Convert to fraction form
    1,008,989.49/1,392,404.70 = 550,104.03/x
  3. Step 3: Cross multiply
    1,008,989.49x = 1,392,404.70 × 550,104.03
  4. Step 4: Simplify right side
    1,008,989.49x = 765,967,436,860.94
  5. Step 5: Solve for x
    x = 765,967,436,860.94/1,008,989.49
  6. Step 6: Final answer
    x = 759,143.13

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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.