Finding the Fourth Proportional to 1,226,511.75, 1,839,654.84 and 327,921.28
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Solution
The fourth proportional to 1,226,511.75, 1,839,654.84 and 327,921.28 is: 491,851.77
Step by Step Solution
- Step 1: Write the proportion equation
1,226,511.75 : 1,839,654.84 = 327,921.28 : x - Step 2: Convert to fraction form
1,226,511.75/1,839,654.84 = 327,921.28/x - Step 3: Cross multiply
1,226,511.75x = 1,839,654.84 × 327,921.28 - Step 4: Simplify right side
1,226,511.75x = 603,261,969,891.00 - Step 5: Solve for x
x = 603,261,969,891.00/1,226,511.75 - Step 6: Final answer
x = 491,851.77
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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.