Finding the Fourth Proportional to 1,082,618.09, 1,620,691.68 and 654,859.38
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Solution
The fourth proportional to 1,082,618.09, 1,620,691.68 and 654,859.38 is: 980,331.99
Step by Step Solution
- Step 1: Write the proportion equation
1,082,618.09 : 1,620,691.68 = 654,859.38 : x - Step 2: Convert to fraction form
1,082,618.09/1,620,691.68 = 654,859.38/x - Step 3: Cross multiply
1,082,618.09x = 1,620,691.68 × 654,859.38 - Step 4: Simplify right side
1,082,618.09x = 1,061,325,148,735.96 - Step 5: Solve for x
x = 1,061,325,148,735.96/1,082,618.09 - Step 6: Final answer
x = 980,331.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.