Finding the Fourth Proportional to 1,207,114.44, 1,665,193.32 and 819,949.83
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Solution
The fourth proportional to 1,207,114.44, 1,665,193.32 and 819,949.83 is: 1,131,106.49
Step by Step Solution
- Step 1: Write the proportion equation
1,207,114.44 : 1,665,193.32 = 819,949.83 : x - Step 2: Convert to fraction form
1,207,114.44/1,665,193.32 = 819,949.83/x - Step 3: Cross multiply
1,207,114.44x = 1,665,193.32 × 819,949.83 - Step 4: Simplify right side
1,207,114.44x = 1,365,374,979,651.14 - Step 5: Solve for x
x = 1,365,374,979,651.14/1,207,114.44 - Step 6: Final answer
x = 1,131,106.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.