Finding the Fourth Proportional to 1,193,989.74, 1,647,173.52 and 806,680.68
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Solution
The fourth proportional to 1,193,989.74, 1,647,173.52 and 806,680.68 is: 1,112,859.69
Step by Step Solution
- Step 1: Write the proportion equation
1,193,989.74 : 1,647,173.52 = 806,680.68 : x - Step 2: Convert to fraction form
1,193,989.74/1,647,173.52 = 806,680.68/x - Step 3: Cross multiply
1,193,989.74x = 1,647,173.52 × 806,680.68 - Step 4: Simplify right side
1,193,989.74x = 1,328,743,055,191.59 - Step 5: Solve for x
x = 1,328,743,055,191.59/1,193,989.74 - Step 6: Final answer
x = 1,112,859.69
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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.