Home / 1,207,476.67-1,811,196.49-308,910.80

Finding the Fourth Proportional to 1,207,476.67, 1,811,196.49 and 308,910.80

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Solution

The fourth proportional to 1,207,476.67, 1,811,196.49 and 308,910.80 is: 463,361.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,476.67 : 1,811,196.49 = 308,910.80 : x
  2. Step 2: Convert to fraction form
    1,207,476.67/1,811,196.49 = 308,910.80/x
  3. Step 3: Cross multiply
    1,207,476.67x = 1,811,196.49 × 308,910.80
  4. Step 4: Simplify right side
    1,207,476.67x = 559,498,156,683.09
  5. Step 5: Solve for x
    x = 559,498,156,683.09/1,207,476.67
  6. Step 6: Final answer
    x = 463,361.46

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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.