Finding the Fourth Proportional to 1,332,193.36, 1,838,425.53 and 720,344.66
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Solution
The fourth proportional to 1,332,193.36, 1,838,425.53 and 720,344.66 is: 994,074.92
Step by Step Solution
- Step 1: Write the proportion equation
1,332,193.36 : 1,838,425.53 = 720,344.66 : x - Step 2: Convert to fraction form
1,332,193.36/1,838,425.53 = 720,344.66/x - Step 3: Cross multiply
1,332,193.36x = 1,838,425.53 × 720,344.66 - Step 4: Simplify right side
1,332,193.36x = 1,324,300,004,151.04 - Step 5: Solve for x
x = 1,324,300,004,151.04/1,332,193.36 - Step 6: Final answer
x = 994,074.92
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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.