Home / 1,419,640.22-1,959,328.44-902,855.33

Finding the Fourth Proportional to 1,419,640.22, 1,959,328.44 and 902,855.33

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Solution

The fourth proportional to 1,419,640.22, 1,959,328.44 and 902,855.33 is: 1,246,083.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,640.22 : 1,959,328.44 = 902,855.33 : x
  2. Step 2: Convert to fraction form
    1,419,640.22/1,959,328.44 = 902,855.33/x
  3. Step 3: Cross multiply
    1,419,640.22x = 1,959,328.44 × 902,855.33
  4. Step 4: Simplify right side
    1,419,640.22x = 1,768,990,122,825.42
  5. Step 5: Solve for x
    x = 1,768,990,122,825.42/1,419,640.22
  6. Step 6: Final answer
    x = 1,246,083.41

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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.