Finding the Fourth Proportional to 996,721.80, 1,495,082.70 and 681,793.80
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Solution
The fourth proportional to 996,721.80, 1,495,082.70 and 681,793.80 is: 1,022,690.70
Step by Step Solution
- Step 1: Write the proportion equation
996,721.80 : 1,495,082.70 = 681,793.80 : x - Step 2: Convert to fraction form
996,721.80/1,495,082.70 = 681,793.80/x - Step 3: Cross multiply
996,721.80x = 1,495,082.70 × 681,793.80 - Step 4: Simplify right side
996,721.80x = 1,019,338,115,347.26 - Step 5: Solve for x
x = 1,019,338,115,347.26/996,721.80 - Step 6: Final answer
x = 1,022,690.70
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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.