Home / 1,231,910.07-1,847,915.98-422,850.22

Finding the Fourth Proportional to 1,231,910.07, 1,847,915.98 and 422,850.22

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Solution

The fourth proportional to 1,231,910.07, 1,847,915.98 and 422,850.22 is: 634,292.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,910.07 : 1,847,915.98 = 422,850.22 : x
  2. Step 2: Convert to fraction form
    1,231,910.07/1,847,915.98 = 422,850.22/x
  3. Step 3: Cross multiply
    1,231,910.07x = 1,847,915.98 × 422,850.22
  4. Step 4: Simplify right side
    1,231,910.07x = 781,391,683,402.13
  5. Step 5: Solve for x
    x = 781,391,683,402.13/1,231,910.07
  6. Step 6: Final answer
    x = 634,292.80

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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.