Finding the Fourth Proportional to 1,192,231.10, 1,644,990.93 and 756,489.58
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Solution
The fourth proportional to 1,192,231.10, 1,644,990.93 and 756,489.58 is: 1,043,772.88
Step by Step Solution
- Step 1: Write the proportion equation
1,192,231.10 : 1,644,990.93 = 756,489.58 : x - Step 2: Convert to fraction form
1,192,231.10/1,644,990.93 = 756,489.58/x - Step 3: Cross multiply
1,192,231.10x = 1,644,990.93 × 756,489.58 - Step 4: Simplify right side
1,192,231.10x = 1,244,418,493,627.03 - Step 5: Solve for x
x = 1,244,418,493,627.03/1,192,231.10 - Step 6: Final answer
x = 1,043,772.88
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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.