Finding the Fourth Proportional to 1,285,850.97, 1,929,205.22 and 855,265.94
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Solution
The fourth proportional to 1,285,850.97, 1,929,205.22 and 855,265.94 is: 1,283,184.09
Step by Step Solution
- Step 1: Write the proportion equation
1,285,850.97 : 1,929,205.22 = 855,265.94 : x - Step 2: Convert to fraction form
1,285,850.97/1,929,205.22 = 855,265.94/x - Step 3: Cross multiply
1,285,850.97x = 1,929,205.22 × 855,265.94 - Step 4: Simplify right side
1,285,850.97x = 1,649,983,502,013.85 - Step 5: Solve for x
x = 1,649,983,502,013.85/1,285,850.97 - Step 6: Final answer
x = 1,283,184.09
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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.