Finding the Fourth Proportional to 1,215,042.04, 1,676,688.62 and 725,563.97
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Solution
The fourth proportional to 1,215,042.04, 1,676,688.62 and 725,563.97 is: 1,001,236.84
Step by Step Solution
- Step 1: Write the proportion equation
1,215,042.04 : 1,676,688.62 = 725,563.97 : x - Step 2: Convert to fraction form
1,215,042.04/1,676,688.62 = 725,563.97/x - Step 3: Cross multiply
1,215,042.04x = 1,676,688.62 × 725,563.97 - Step 4: Simplify right side
1,215,042.04x = 1,216,544,851,581.02 - Step 5: Solve for x
x = 1,216,544,851,581.02/1,215,042.04 - Step 6: Final answer
x = 1,001,236.84
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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.