Home / 1,207,472.67-1,811,190.49-308,906.80

Finding the Fourth Proportional to 1,207,472.67, 1,811,190.49 and 308,906.80

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Solution

The fourth proportional to 1,207,472.67, 1,811,190.49 and 308,906.80 is: 463,355.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,472.67 : 1,811,190.49 = 308,906.80 : x
  2. Step 2: Convert to fraction form
    1,207,472.67/1,811,190.49 = 308,906.80/x
  3. Step 3: Cross multiply
    1,207,472.67x = 1,811,190.49 × 308,906.80
  4. Step 4: Simplify right side
    1,207,472.67x = 559,489,058,456.33
  5. Step 5: Solve for x
    x = 559,489,058,456.33/1,207,472.67
  6. Step 6: Final answer
    x = 463,355.46

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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.