Finding the Fourth Proportional to 1,192,135.44, 1,645,190.18 and 682,936.23
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Solution
The fourth proportional to 1,192,135.44, 1,645,190.18 and 682,936.23 is: 942,476.79
Step by Step Solution
- Step 1: Write the proportion equation
1,192,135.44 : 1,645,190.18 = 682,936.23 : x - Step 2: Convert to fraction form
1,192,135.44/1,645,190.18 = 682,936.23/x - Step 3: Cross multiply
1,192,135.44x = 1,645,190.18 × 682,936.23 - Step 4: Simplify right side
1,192,135.44x = 1,123,559,979,162.22 - Step 5: Solve for x
x = 1,123,559,979,162.22/1,192,135.44 - Step 6: Final answer
x = 942,476.79
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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.