Finding the Fourth Proportional to 1,226,163.42, 1,691,146.96 and 796,581.95
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Solution
The fourth proportional to 1,226,163.42, 1,691,146.96 and 796,581.95 is: 1,098,660.35
Step by Step Solution
- Step 1: Write the proportion equation
1,226,163.42 : 1,691,146.96 = 796,581.95 : x - Step 2: Convert to fraction form
1,226,163.42/1,691,146.96 = 796,581.95/x - Step 3: Cross multiply
1,226,163.42x = 1,691,146.96 × 796,581.95 - Step 4: Simplify right side
1,226,163.42x = 1,347,137,132,686.18 - Step 5: Solve for x
x = 1,347,137,132,686.18/1,226,163.42 - Step 6: Final answer
x = 1,098,660.35
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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.