Finding the Fourth Proportional to 1,378,161, 2,067,660.81 and 704,715.12
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Solution
The fourth proportional to 1,378,161, 2,067,660.81 and 704,715.12 is: 1,057,287.09
Step by Step Solution
- Step 1: Write the proportion equation
1,378,161 : 2,067,660.81 = 704,715.12 : x - Step 2: Convert to fraction form
1,378,161/2,067,660.81 = 704,715.12/x - Step 3: Cross multiply
1,378,161x = 2,067,660.81 × 704,715.12 - Step 4: Simplify right side
1,378,161x = 1,457,111,835,838.45 - Step 5: Solve for x
x = 1,457,111,835,838.45/1,378,161 - Step 6: Final answer
x = 1,057,287.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.