Finding the Fourth Proportional to 1,106,715.75, 1,524,051.81 and 961,455.21
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Solution
The fourth proportional to 1,106,715.75, 1,524,051.81 and 961,455.21 is: 1,324,014.37
Step by Step Solution
- Step 1: Write the proportion equation
1,106,715.75 : 1,524,051.81 = 961,455.21 : x - Step 2: Convert to fraction form
1,106,715.75/1,524,051.81 = 961,455.21/x - Step 3: Cross multiply
1,106,715.75x = 1,524,051.81 × 961,455.21 - Step 4: Simplify right side
1,106,715.75x = 1,465,307,553,034.43 - Step 5: Solve for x
x = 1,465,307,553,034.43/1,106,715.75 - Step 6: Final answer
x = 1,324,014.37
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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.