Finding the Fourth Proportional to 1,192,367.61, 1,644,765.26 and 750,137.67
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Solution
The fourth proportional to 1,192,367.61, 1,644,765.26 and 750,137.67 is: 1,034,748.32
Step by Step Solution
- Step 1: Write the proportion equation
1,192,367.61 : 1,644,765.26 = 750,137.67 : x - Step 2: Convert to fraction form
1,192,367.61/1,644,765.26 = 750,137.67/x - Step 3: Cross multiply
1,192,367.61x = 1,644,765.26 × 750,137.67 - Step 4: Simplify right side
1,192,367.61x = 1,233,800,376,082.66 - Step 5: Solve for x
x = 1,233,800,376,082.66/1,192,367.61 - Step 6: Final answer
x = 1,034,748.32
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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.