Home / 1,289,393.44-1,934,392.80-1,267,971.88

Finding the Fourth Proportional to 1,289,393.44, 1,934,392.80 and 1,267,971.88

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Solution

The fourth proportional to 1,289,393.44, 1,934,392.80 and 1,267,971.88 is: 1,902,255.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,393.44 : 1,934,392.80 = 1,267,971.88 : x
  2. Step 2: Convert to fraction form
    1,289,393.44/1,934,392.80 = 1,267,971.88/x
  3. Step 3: Cross multiply
    1,289,393.44x = 1,934,392.80 × 1,267,971.88
  4. Step 4: Simplify right side
    1,289,393.44x = 2,452,755,675,274.46
  5. Step 5: Solve for x
    x = 2,452,755,675,274.46/1,289,393.44
  6. Step 6: Final answer
    x = 1,902,255.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.