Finding the Fourth Proportional to 1,186,388.20, 1,777,163.10 and 735,725.80
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Solution
The fourth proportional to 1,186,388.20, 1,777,163.10 and 735,725.80 is: 1,102,088.46
Step by Step Solution
- Step 1: Write the proportion equation
1,186,388.20 : 1,777,163.10 = 735,725.80 : x - Step 2: Convert to fraction form
1,186,388.20/1,777,163.10 = 735,725.80/x - Step 3: Cross multiply
1,186,388.20x = 1,777,163.10 × 735,725.80 - Step 4: Simplify right side
1,186,388.20x = 1,307,504,743,477.98 - Step 5: Solve for x
x = 1,307,504,743,477.98/1,186,388.20 - Step 6: Final answer
x = 1,102,088.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.