Home / 1,379,292.78-1,903,394.16-798,540.39

Finding the Fourth Proportional to 1,379,292.78, 1,903,394.16 and 798,540.39

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Solution

The fourth proportional to 1,379,292.78, 1,903,394.16 and 798,540.39 is: 1,101,968.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,292.78 : 1,903,394.16 = 798,540.39 : x
  2. Step 2: Convert to fraction form
    1,379,292.78/1,903,394.16 = 798,540.39/x
  3. Step 3: Cross multiply
    1,379,292.78x = 1,903,394.16 × 798,540.39
  4. Step 4: Simplify right side
    1,379,292.78x = 1,519,937,114,850.12
  5. Step 5: Solve for x
    x = 1,519,937,114,850.12/1,379,292.78
  6. Step 6: Final answer
    x = 1,101,968.44

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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.