Finding the Fourth Proportional to 1,218,096.24, 1,680,929.76 and 674,233.08
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Solution
The fourth proportional to 1,218,096.24, 1,680,929.76 and 674,233.08 is: 930,417.82
Step by Step Solution
- Step 1: Write the proportion equation
1,218,096.24 : 1,680,929.76 = 674,233.08 : x - Step 2: Convert to fraction form
1,218,096.24/1,680,929.76 = 674,233.08/x - Step 3: Cross multiply
1,218,096.24x = 1,680,929.76 × 674,233.08 - Step 4: Simplify right side
1,218,096.24x = 1,133,338,449,348.46 - Step 5: Solve for x
x = 1,133,338,449,348.46/1,218,096.24 - Step 6: Final answer
x = 930,417.82
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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.