Finding the Fourth Proportional to 1,332,575.25, 1,838,948.37 and 720,728.69
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Solution
The fourth proportional to 1,332,575.25, 1,838,948.37 and 720,728.69 is: 994,602.62
Step by Step Solution
- Step 1: Write the proportion equation
1,332,575.25 : 1,838,948.37 = 720,728.69 : x - Step 2: Convert to fraction form
1,332,575.25/1,838,948.37 = 720,728.69/x - Step 3: Cross multiply
1,332,575.25x = 1,838,948.37 × 720,728.69 - Step 4: Simplify right side
1,332,575.25x = 1,325,382,837,790.26 - Step 5: Solve for x
x = 1,325,382,837,790.26/1,332,575.25 - Step 6: Final answer
x = 994,602.62
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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.