Finding the Fourth Proportional to 1,378,691.68, 1,902,533.17 and 797,821.75
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Solution
The fourth proportional to 1,378,691.68, 1,902,533.17 and 797,821.75 is: 1,100,958.51
Step by Step Solution
- Step 1: Write the proportion equation
1,378,691.68 : 1,902,533.17 = 797,821.75 : x - Step 2: Convert to fraction form
1,378,691.68/1,902,533.17 = 797,821.75/x - Step 3: Cross multiply
1,378,691.68x = 1,902,533.17 × 797,821.75 - Step 4: Simplify right side
1,378,691.68x = 1,517,882,336,544.10 - Step 5: Solve for x
x = 1,517,882,336,544.10/1,378,691.68 - Step 6: Final answer
x = 1,100,958.51
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.