Finding the Fourth Proportional to 1,227,646.23, 1,694,236.86 and 744,231.75
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Solution
The fourth proportional to 1,227,646.23, 1,694,236.86 and 744,231.75 is: 1,027,091.38
Step by Step Solution
- Step 1: Write the proportion equation
1,227,646.23 : 1,694,236.86 = 744,231.75 : x - Step 2: Convert to fraction form
1,227,646.23/1,694,236.86 = 744,231.75/x - Step 3: Cross multiply
1,227,646.23x = 1,694,236.86 × 744,231.75 - Step 4: Simplify right side
1,227,646.23x = 1,260,904,863,232.31 - Step 5: Solve for x
x = 1,260,904,863,232.31/1,227,646.23 - Step 6: Final answer
x = 1,027,091.38
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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.