Finding the Fourth Proportional to 1,255,190.38, 1,732,168.70 and 682,230.09
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Solution
The fourth proportional to 1,255,190.38, 1,732,168.70 and 682,230.09 is: 941,480.78
Step by Step Solution
- Step 1: Write the proportion equation
1,255,190.38 : 1,732,168.70 = 682,230.09 : x - Step 2: Convert to fraction form
1,255,190.38/1,732,168.70 = 682,230.09/x - Step 3: Cross multiply
1,255,190.38x = 1,732,168.70 × 682,230.09 - Step 4: Simplify right side
1,255,190.38x = 1,181,737,613,739.03 - Step 5: Solve for x
x = 1,181,737,613,739.03/1,255,190.38 - Step 6: Final answer
x = 941,480.78
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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.