Finding the Fourth Proportional to 1,336,349.49, 1,844,138.22 and 755,562.60
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Solution
The fourth proportional to 1,336,349.49, 1,844,138.22 and 755,562.60 is: 1,042,662.78
Step by Step Solution
- Step 1: Write the proportion equation
1,336,349.49 : 1,844,138.22 = 755,562.60 : x - Step 2: Convert to fraction form
1,336,349.49/1,844,138.22 = 755,562.60/x - Step 3: Cross multiply
1,336,349.49x = 1,844,138.22 × 755,562.60 - Step 4: Simplify right side
1,336,349.49x = 1,393,361,868,262.57 - Step 5: Solve for x
x = 1,393,361,868,262.57/1,336,349.49 - Step 6: Final answer
x = 1,042,662.78
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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.