Home / 1,264,401-1,896,207.84-422,755.92

Finding the Fourth Proportional to 1,264,401, 1,896,207.84 and 422,755.92

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Solution

The fourth proportional to 1,264,401, 1,896,207.84 and 422,755.92 is: 634,002.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,401 : 1,896,207.84 = 422,755.92 : x
  2. Step 2: Convert to fraction form
    1,264,401/1,896,207.84 = 422,755.92/x
  3. Step 3: Cross multiply
    1,264,401x = 1,896,207.84 × 422,755.92
  4. Step 4: Simplify right side
    1,264,401x = 801,633,089,910.41
  5. Step 5: Solve for x
    x = 801,633,089,910.41/1,264,401
  6. Step 6: Final answer
    x = 634,002.26

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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.