Finding the Fourth Proportional to 1,192,230.88, 1,645,140.72 and 682,902.88
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Solution
The fourth proportional to 1,192,230.88, 1,645,140.72 and 682,902.88 is: 942,326.99
Step by Step Solution
- Step 1: Write the proportion equation
1,192,230.88 : 1,645,140.72 = 682,902.88 : x - Step 2: Convert to fraction form
1,192,230.88/1,645,140.72 = 682,902.88/x - Step 3: Cross multiply
1,192,230.88x = 1,645,140.72 × 682,902.88 - Step 4: Simplify right side
1,192,230.88x = 1,123,471,335,693.27 - Step 5: Solve for x
x = 1,123,471,335,693.27/1,192,230.88 - Step 6: Final answer
x = 942,326.99
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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.