Finding the Fourth Proportional to 1,135,423.37, 1,701,207.09 and 685,198.19
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Solution
The fourth proportional to 1,135,423.37, 1,701,207.09 and 685,198.19 is: 1,026,633.81
Step by Step Solution
- Step 1: Write the proportion equation
1,135,423.37 : 1,701,207.09 = 685,198.19 : x - Step 2: Convert to fraction form
1,135,423.37/1,701,207.09 = 685,198.19/x - Step 3: Cross multiply
1,135,423.37x = 1,701,207.09 × 685,198.19 - Step 4: Simplify right side
1,135,423.37x = 1,165,664,010,377.13 - Step 5: Solve for x
x = 1,165,664,010,377.13/1,135,423.37 - Step 6: Final answer
x = 1,026,633.81
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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.