Finding the Fourth Proportional to 1,218,273.26, 1,681,230.39 and 674,418.13
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Solution
The fourth proportional to 1,218,273.26, 1,681,230.39 and 674,418.13 is: 930,704.37
Step by Step Solution
- Step 1: Write the proportion equation
1,218,273.26 : 1,681,230.39 = 674,418.13 : x - Step 2: Convert to fraction form
1,218,273.26/1,681,230.39 = 674,418.13/x - Step 3: Cross multiply
1,218,273.26x = 1,681,230.39 × 674,418.13 - Step 4: Simplify right side
1,218,273.26x = 1,133,852,247,316.82 - Step 5: Solve for x
x = 1,133,852,247,316.82/1,218,273.26 - Step 6: Final answer
x = 930,704.37
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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.