Finding the Fourth Proportional to 1,107,152.87, 1,527,983.84 and 677,716.79
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Solution
The fourth proportional to 1,107,152.87, 1,527,983.84 and 677,716.79 is: 935,318.27
Step by Step Solution
- Step 1: Write the proportion equation
1,107,152.87 : 1,527,983.84 = 677,716.79 : x - Step 2: Convert to fraction form
1,107,152.87/1,527,983.84 = 677,716.79/x - Step 3: Cross multiply
1,107,152.87x = 1,527,983.84 × 677,716.79 - Step 4: Simplify right side
1,107,152.87x = 1,035,540,299,396.71 - Step 5: Solve for x
x = 1,035,540,299,396.71/1,107,152.87 - Step 6: Final answer
x = 935,318.27
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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.