Finding the Fourth Proportional to 1,135,423.91, 1,701,207.90 and 685,198.78
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Solution
The fourth proportional to 1,135,423.91, 1,701,207.90 and 685,198.78 is: 1,026,634.69
Step by Step Solution
- Step 1: Write the proportion equation
1,135,423.91 : 1,701,207.90 = 685,198.78 : x - Step 2: Convert to fraction form
1,135,423.91/1,701,207.90 = 685,198.78/x - Step 3: Cross multiply
1,135,423.91x = 1,701,207.90 × 685,198.78 - Step 4: Simplify right side
1,135,423.91x = 1,165,665,573,353.34 - Step 5: Solve for x
x = 1,165,665,573,353.34/1,135,423.91 - Step 6: Final answer
x = 1,026,634.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.