Finding the Fourth Proportional to 1,383,757.48, 1,909,716.78 and 867,593.08
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Solution
The fourth proportional to 1,383,757.48, 1,909,716.78 and 867,593.08 is: 1,197,360.87
Step by Step Solution
- Step 1: Write the proportion equation
1,383,757.48 : 1,909,716.78 = 867,593.08 : x - Step 2: Convert to fraction form
1,383,757.48/1,909,716.78 = 867,593.08/x - Step 3: Cross multiply
1,383,757.48x = 1,909,716.78 × 867,593.08 - Step 4: Simplify right side
1,383,757.48x = 1,656,857,063,087.88 - Step 5: Solve for x
x = 1,656,857,063,087.88/1,383,757.48 - Step 6: Final answer
x = 1,197,360.87
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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.