Finding the Fourth Proportional to 1,263,161.28, 1,743,163.02 and 682,384.62
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Solution
The fourth proportional to 1,263,161.28, 1,743,163.02 and 682,384.62 is: 941,691.02
Step by Step Solution
- Step 1: Write the proportion equation
1,263,161.28 : 1,743,163.02 = 682,384.62 : x - Step 2: Convert to fraction form
1,263,161.28/1,743,163.02 = 682,384.62/x - Step 3: Cross multiply
1,263,161.28x = 1,743,163.02 × 682,384.62 - Step 4: Simplify right side
1,263,161.28x = 1,189,507,635,000.75 - Step 5: Solve for x
x = 1,189,507,635,000.75/1,263,161.28 - Step 6: Final answer
x = 941,691.02
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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.