Finding the Fourth Proportional to 1,171,755.36, 1,757,633.76 and 330,197.76
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Solution
The fourth proportional to 1,171,755.36, 1,757,633.76 and 330,197.76 is: 495,296.84
Step by Step Solution
- Step 1: Write the proportion equation
1,171,755.36 : 1,757,633.76 = 330,197.76 : x - Step 2: Convert to fraction form
1,171,755.36/1,757,633.76 = 330,197.76/x - Step 3: Cross multiply
1,171,755.36x = 1,757,633.76 × 330,197.76 - Step 4: Simplify right side
1,171,755.36x = 580,366,730,452.38 - Step 5: Solve for x
x = 580,366,730,452.38/1,171,755.36 - Step 6: Final answer
x = 495,296.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.