Finding the Fourth Proportional to 1,190,329.24, 1,642,755.66 and 674,174.95
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Solution
The fourth proportional to 1,190,329.24, 1,642,755.66 and 674,174.95 is: 930,418.82
Step by Step Solution
- Step 1: Write the proportion equation
1,190,329.24 : 1,642,755.66 = 674,174.95 : x - Step 2: Convert to fraction form
1,190,329.24/1,642,755.66 = 674,174.95/x - Step 3: Cross multiply
1,190,329.24x = 1,642,755.66 × 674,174.95 - Step 4: Simplify right side
1,190,329.24x = 1,107,504,719,444.29 - Step 5: Solve for x
x = 1,107,504,719,444.29/1,190,329.24 - Step 6: Final answer
x = 930,418.82
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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.