Finding the Fourth Proportional to 1,339,581.24, 1,848,614.76 and 727,729.20
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Solution
The fourth proportional to 1,339,581.24, 1,848,614.76 and 727,729.20 is: 1,004,262.30
Step by Step Solution
- Step 1: Write the proportion equation
1,339,581.24 : 1,848,614.76 = 727,729.20 : x - Step 2: Convert to fraction form
1,339,581.24/1,848,614.76 = 727,729.20/x - Step 3: Cross multiply
1,339,581.24x = 1,848,614.76 × 727,729.20 - Step 4: Simplify right side
1,339,581.24x = 1,345,290,940,402.99 - Step 5: Solve for x
x = 1,345,290,940,402.99/1,339,581.24 - Step 6: Final answer
x = 1,004,262.30
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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.