Finding the Fourth Proportional to 1,330,584.30, 1,836,207.02 and 718,737.03
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Solution
The fourth proportional to 1,330,584.30, 1,836,207.02 and 718,737.03 is: 991,857.47
Step by Step Solution
- Step 1: Write the proportion equation
1,330,584.30 : 1,836,207.02 = 718,737.03 : x - Step 2: Convert to fraction form
1,330,584.30/1,836,207.02 = 718,737.03/x - Step 3: Cross multiply
1,330,584.30x = 1,836,207.02 × 718,737.03 - Step 4: Simplify right side
1,330,584.30x = 1,319,749,981,816.79 - Step 5: Solve for x
x = 1,319,749,981,816.79/1,330,584.30 - Step 6: Final answer
x = 991,857.47
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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.