Finding the Fourth Proportional to 1,203,052.50, 1,660,212.81 and 719,638.02
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Solution
The fourth proportional to 1,203,052.50, 1,660,212.81 and 719,638.02 is: 993,100.68
Step by Step Solution
- Step 1: Write the proportion equation
1,203,052.50 : 1,660,212.81 = 719,638.02 : x - Step 2: Convert to fraction form
1,203,052.50/1,660,212.81 = 719,638.02/x - Step 3: Cross multiply
1,203,052.50x = 1,660,212.81 × 719,638.02 - Step 4: Simplify right side
1,203,052.50x = 1,194,752,259,367.04 - Step 5: Solve for x
x = 1,194,752,259,367.04/1,203,052.50 - Step 6: Final answer
x = 993,100.68
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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.