Finding the Fourth Proportional to 1,218,469.68, 1,681,433.28 and 674,567.28
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Solution
The fourth proportional to 1,218,469.68, 1,681,433.28 and 674,567.28 is: 930,872.46
Step by Step Solution
- Step 1: Write the proportion equation
1,218,469.68 : 1,681,433.28 = 674,567.28 : x - Step 2: Convert to fraction form
1,218,469.68/1,681,433.28 = 674,567.28/x - Step 3: Cross multiply
1,218,469.68x = 1,681,433.28 × 674,567.28 - Step 4: Simplify right side
1,218,469.68x = 1,134,239,874,191.08 - Step 5: Solve for x
x = 1,134,239,874,191.08/1,218,469.68 - Step 6: Final answer
x = 930,872.46
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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.