Finding the Fourth Proportional to 1,068,120.68, 1,601,073.81 and 667,842.26
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Solution
The fourth proportional to 1,068,120.68, 1,601,073.81 and 667,842.26 is: 1,001,071.10
Step by Step Solution
- Step 1: Write the proportion equation
1,068,120.68 : 1,601,073.81 = 667,842.26 : x - Step 2: Convert to fraction form
1,068,120.68/1,601,073.81 = 667,842.26/x - Step 3: Cross multiply
1,068,120.68x = 1,601,073.81 × 667,842.26 - Step 4: Simplify right side
1,068,120.68x = 1,069,264,743,691.84 - Step 5: Solve for x
x = 1,069,264,743,691.84/1,068,120.68 - Step 6: Final answer
x = 1,001,071.10
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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.