Finding the Fourth Proportional to 1,266,383.43, 1,747,612.02 and 685,612.68
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Solution
The fourth proportional to 1,266,383.43, 1,747,612.02 and 685,612.68 is: 946,147.05
Step by Step Solution
- Step 1: Write the proportion equation
1,266,383.43 : 1,747,612.02 = 685,612.68 : x - Step 2: Convert to fraction form
1,266,383.43/1,747,612.02 = 685,612.68/x - Step 3: Cross multiply
1,266,383.43x = 1,747,612.02 × 685,612.68 - Step 4: Simplify right side
1,266,383.43x = 1,198,184,954,078.87 - Step 5: Solve for x
x = 1,198,184,954,078.87/1,266,383.43 - Step 6: Final answer
x = 946,147.05
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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.