Finding the Fourth Proportional to 1,194,863.13, 1,649,520.54 and 809,713.29
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Solution
The fourth proportional to 1,194,863.13, 1,649,520.54 and 809,713.29 is: 1,117,817.32
Step by Step Solution
- Step 1: Write the proportion equation
1,194,863.13 : 1,649,520.54 = 809,713.29 : x - Step 2: Convert to fraction form
1,194,863.13/1,649,520.54 = 809,713.29/x - Step 3: Cross multiply
1,194,863.13x = 1,649,520.54 × 809,713.29 - Step 4: Simplify right side
1,194,863.13x = 1,335,638,703,365.98 - Step 5: Solve for x
x = 1,335,638,703,365.98/1,194,863.13 - Step 6: Final answer
x = 1,117,817.32
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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.