Finding the Fourth Proportional to 1,068,120.12, 1,601,072.96 and 667,841.70
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Solution
The fourth proportional to 1,068,120.12, 1,601,072.96 and 667,841.70 is: 1,001,070.26
Step by Step Solution
- Step 1: Write the proportion equation
1,068,120.12 : 1,601,072.96 = 667,841.70 : x - Step 2: Convert to fraction form
1,068,120.12/1,601,072.96 = 667,841.70/x - Step 3: Cross multiply
1,068,120.12x = 1,601,072.96 × 667,841.70 - Step 4: Simplify right side
1,068,120.12x = 1,069,263,284,091.22 - Step 5: Solve for x
x = 1,069,263,284,091.22/1,068,120.12 - Step 6: Final answer
x = 1,001,070.26
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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.