Finding the Fourth Proportional to 1,367,872.48, 1,887,761.76 and 756,012.08
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Solution
The fourth proportional to 1,367,872.48, 1,887,761.76 and 756,012.08 is: 1,043,350.69
Step by Step Solution
- Step 1: Write the proportion equation
1,367,872.48 : 1,887,761.76 = 756,012.08 : x - Step 2: Convert to fraction form
1,367,872.48/1,887,761.76 = 756,012.08/x - Step 3: Cross multiply
1,367,872.48x = 1,887,761.76 × 756,012.08 - Step 4: Simplify right side
1,367,872.48x = 1,427,170,694,722.06 - Step 5: Solve for x
x = 1,427,170,694,722.06/1,367,872.48 - Step 6: Final answer
x = 1,043,350.69
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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.