Finding the Fourth Proportional to 1,165,749.12, 1,748,626.92 and 324,301.68
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Solution
The fourth proportional to 1,165,749.12, 1,748,626.92 and 324,301.68 is: 486,453.42
Step by Step Solution
- Step 1: Write the proportion equation
1,165,749.12 : 1,748,626.92 = 324,301.68 : x - Step 2: Convert to fraction form
1,165,749.12/1,748,626.92 = 324,301.68/x - Step 3: Cross multiply
1,165,749.12x = 1,748,626.92 × 324,301.68 - Step 4: Simplify right side
1,165,749.12x = 567,082,647,849.23 - Step 5: Solve for x
x = 567,082,647,849.23/1,165,749.12 - Step 6: Final answer
x = 486,453.42
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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.