Finding the Fourth Proportional to 1,086,991.92, 1,623,168.09 and 887,707.62
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Solution
The fourth proportional to 1,086,991.92, 1,623,168.09 and 887,707.62 is: 1,325,583.62
Step by Step Solution
- Step 1: Write the proportion equation
1,086,991.92 : 1,623,168.09 = 887,707.62 : x - Step 2: Convert to fraction form
1,086,991.92/1,623,168.09 = 887,707.62/x - Step 3: Cross multiply
1,086,991.92x = 1,623,168.09 × 887,707.62 - Step 4: Simplify right side
1,086,991.92x = 1,440,898,682,033.85 - Step 5: Solve for x
x = 1,440,898,682,033.85/1,086,991.92 - Step 6: Final answer
x = 1,325,583.62
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.