Finding the Fourth Proportional to 1,218,096.79, 1,680,976.74 and 674,270.08
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Solution
The fourth proportional to 1,218,096.79, 1,680,976.74 and 674,270.08 is: 930,494.47
Step by Step Solution
- Step 1: Write the proportion equation
1,218,096.79 : 1,680,976.74 = 674,270.08 : x - Step 2: Convert to fraction form
1,218,096.79/1,680,976.74 = 674,270.08/x - Step 3: Cross multiply
1,218,096.79x = 1,680,976.74 × 674,270.08 - Step 4: Simplify right side
1,218,096.79x = 1,133,432,320,957.94 - Step 5: Solve for x
x = 1,133,432,320,957.94/1,218,096.79 - Step 6: Final answer
x = 930,494.47
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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.