Finding the Fourth Proportional to 1,082,043.15, 1,492,951.26 and 699,609.75
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Solution
The fourth proportional to 1,082,043.15, 1,492,951.26 and 699,609.75 is: 965,287.99
Step by Step Solution
- Step 1: Write the proportion equation
1,082,043.15 : 1,492,951.26 = 699,609.75 : x - Step 2: Convert to fraction form
1,082,043.15/1,492,951.26 = 699,609.75/x - Step 3: Cross multiply
1,082,043.15x = 1,492,951.26 × 699,609.75 - Step 4: Simplify right side
1,082,043.15x = 1,044,483,257,770.79 - Step 5: Solve for x
x = 1,044,483,257,770.79/1,082,043.15 - Step 6: Final answer
x = 965,287.99
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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.