Finding the Fourth Proportional to 1,207,736.24, 1,811,562.62 and 309,185.69
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Solution
The fourth proportional to 1,207,736.24, 1,811,562.62 and 309,185.69 is: 463,767.84
Step by Step Solution
- Step 1: Write the proportion equation
1,207,736.24 : 1,811,562.62 = 309,185.69 : x - Step 2: Convert to fraction form
1,207,736.24/1,811,562.62 = 309,185.69/x - Step 3: Cross multiply
1,207,736.24x = 1,811,562.62 × 309,185.69 - Step 4: Simplify right side
1,207,736.24x = 560,109,228,039.17 - Step 5: Solve for x
x = 560,109,228,039.17/1,207,736.24 - Step 6: Final answer
x = 463,767.84
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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.