Finding the Fourth Proportional to 920,247.40, 1,381,168.59 and 918,119.62
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Solution
The fourth proportional to 920,247.40, 1,381,168.59 and 918,119.62 is: 1,377,975.08
Step by Step Solution
- Step 1: Write the proportion equation
920,247.40 : 1,381,168.59 = 918,119.62 : x - Step 2: Convert to fraction form
920,247.40/1,381,168.59 = 918,119.62/x - Step 3: Cross multiply
920,247.40x = 1,381,168.59 × 918,119.62 - Step 4: Simplify right side
920,247.40x = 1,268,077,981,006.74 - Step 5: Solve for x
x = 1,268,077,981,006.74/920,247.40 - Step 6: Final answer
x = 1,377,975.08
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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.