Finding the Fourth Proportional to 1,135,423.36, 1,701,207.10 and 685,198.16
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Solution
The fourth proportional to 1,135,423.36, 1,701,207.10 and 685,198.16 is: 1,026,633.78
Step by Step Solution
- Step 1: Write the proportion equation
1,135,423.36 : 1,701,207.10 = 685,198.16 : x - Step 2: Convert to fraction form
1,135,423.36/1,701,207.10 = 685,198.16/x - Step 3: Cross multiply
1,135,423.36x = 1,701,207.10 × 685,198.16 - Step 4: Simplify right side
1,135,423.36x = 1,165,663,974,698.94 - Step 5: Solve for x
x = 1,165,663,974,698.94/1,135,423.36 - Step 6: Final answer
x = 1,026,633.78
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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.