Home / 1,208,224.44-1,667,392.50-664,401.48

Finding the Fourth Proportional to 1,208,224.44, 1,667,392.50 and 664,401.48

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Solution

The fourth proportional to 1,208,224.44, 1,667,392.50 and 664,401.48 is: 916,897.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,224.44 : 1,667,392.50 = 664,401.48 : x
  2. Step 2: Convert to fraction form
    1,208,224.44/1,667,392.50 = 664,401.48/x
  3. Step 3: Cross multiply
    1,208,224.44x = 1,667,392.50 × 664,401.48
  4. Step 4: Simplify right side
    1,208,224.44x = 1,107,818,044,740.90
  5. Step 5: Solve for x
    x = 1,107,818,044,740.90/1,208,224.44
  6. Step 6: Final answer
    x = 916,897.56

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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.