Finding the Fourth Proportional to 1,397,490.42, 2,096,678.70 and 498,912.90
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Solution
The fourth proportional to 1,397,490.42, 2,096,678.70 and 498,912.90 is: 748,527.53
Step by Step Solution
- Step 1: Write the proportion equation
1,397,490.42 : 2,096,678.70 = 498,912.90 : x - Step 2: Convert to fraction form
1,397,490.42/2,096,678.70 = 498,912.90/x - Step 3: Cross multiply
1,397,490.42x = 2,096,678.70 × 498,912.90 - Step 4: Simplify right side
1,397,490.42x = 1,046,060,050,585.23 - Step 5: Solve for x
x = 1,046,060,050,585.23/1,397,490.42 - Step 6: Final answer
x = 748,527.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.