Finding the Fourth Proportional to 1,192,134.95, 1,645,189.49 and 682,935.74
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Solution
The fourth proportional to 1,192,134.95, 1,645,189.49 and 682,935.74 is: 942,476.10
Step by Step Solution
- Step 1: Write the proportion equation
1,192,134.95 : 1,645,189.49 = 682,935.74 : x - Step 2: Convert to fraction form
1,192,134.95/1,645,189.49 = 682,935.74/x - Step 3: Cross multiply
1,192,134.95x = 1,645,189.49 × 682,935.74 - Step 4: Simplify right side
1,192,134.95x = 1,123,558,690,152.75 - Step 5: Solve for x
x = 1,123,558,690,152.75/1,192,134.95 - Step 6: Final answer
x = 942,476.10
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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.