Finding the Fourth Proportional to 1,192,157.73, 1,645,220.87 and 682,958.52
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Solution
The fourth proportional to 1,192,157.73, 1,645,220.87 and 682,958.52 is: 942,507.50
Step by Step Solution
- Step 1: Write the proportion equation
1,192,157.73 : 1,645,220.87 = 682,958.52 : x - Step 2: Convert to fraction form
1,192,157.73/1,645,220.87 = 682,958.52/x - Step 3: Cross multiply
1,192,157.73x = 1,645,220.87 × 682,958.52 - Step 4: Simplify right side
1,192,157.73x = 1,123,617,607,033.52 - Step 5: Solve for x
x = 1,123,617,607,033.52/1,192,157.73 - Step 6: Final answer
x = 942,507.50
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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.