Finding the Fourth Proportional to 1,192,135.57, 1,645,190.35 and 682,936.36
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Solution
The fourth proportional to 1,192,135.57, 1,645,190.35 and 682,936.36 is: 942,476.96
Step by Step Solution
- Step 1: Write the proportion equation
1,192,135.57 : 1,645,190.35 = 682,936.36 : x - Step 2: Convert to fraction form
1,192,135.57/1,645,190.35 = 682,936.36/x - Step 3: Cross multiply
1,192,135.57x = 1,645,190.35 × 682,936.36 - Step 4: Simplify right side
1,192,135.57x = 1,123,560,309,136.13 - Step 5: Solve for x
x = 1,123,560,309,136.13/1,192,135.57 - Step 6: Final answer
x = 942,476.96
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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.