Finding the Fourth Proportional to 1,099,531.80, 1,649,297.70 and 657,163.80
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Solution
The fourth proportional to 1,099,531.80, 1,649,297.70 and 657,163.80 is: 985,745.70
Step by Step Solution
- Step 1: Write the proportion equation
1,099,531.80 : 1,649,297.70 = 657,163.80 : x - Step 2: Convert to fraction form
1,099,531.80/1,649,297.70 = 657,163.80/x - Step 3: Cross multiply
1,099,531.80x = 1,649,297.70 × 657,163.80 - Step 4: Simplify right side
1,099,531.80x = 1,083,858,743,863.26 - Step 5: Solve for x
x = 1,083,858,743,863.26/1,099,531.80 - Step 6: Final answer
x = 985,745.70
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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.