Finding the Fourth Proportional to 1,175,121.12, 1,622,163.20 and 793,664.58
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Solution
The fourth proportional to 1,175,121.12, 1,622,163.20 and 793,664.58 is: 1,095,592.15
Step by Step Solution
- Step 1: Write the proportion equation
1,175,121.12 : 1,622,163.20 = 793,664.58 : x - Step 2: Convert to fraction form
1,175,121.12/1,622,163.20 = 793,664.58/x - Step 3: Cross multiply
1,175,121.12x = 1,622,163.20 × 793,664.58 - Step 4: Simplify right side
1,175,121.12x = 1,287,453,474,819.46 - Step 5: Solve for x
x = 1,287,453,474,819.46/1,175,121.12 - Step 6: Final answer
x = 1,095,592.15
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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.