Finding the Fourth Proportional to 1,135,423.98, 1,701,207.90 and 685,198.71
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Solution
The fourth proportional to 1,135,423.98, 1,701,207.90 and 685,198.71 is: 1,026,634.53
Step by Step Solution
- Step 1: Write the proportion equation
1,135,423.98 : 1,701,207.90 = 685,198.71 : x - Step 2: Convert to fraction form
1,135,423.98/1,701,207.90 = 685,198.71/x - Step 3: Cross multiply
1,135,423.98x = 1,701,207.90 × 685,198.71 - Step 4: Simplify right side
1,135,423.98x = 1,165,665,458,521.81 - Step 5: Solve for x
x = 1,165,665,458,521.81/1,135,423.98 - Step 6: Final answer
x = 1,026,634.53
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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.