Finding the Fourth Proportional to 1,264,761.24, 1,744,880.26 and 805,793.62
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Solution
The fourth proportional to 1,264,761.24, 1,744,880.26 and 805,793.62 is: 1,111,682.85
Step by Step Solution
- Step 1: Write the proportion equation
1,264,761.24 : 1,744,880.26 = 805,793.62 : x - Step 2: Convert to fraction form
1,264,761.24/1,744,880.26 = 805,793.62/x - Step 3: Cross multiply
1,264,761.24x = 1,744,880.26 × 805,793.62 - Step 4: Simplify right side
1,264,761.24x = 1,406,013,377,311.48 - Step 5: Solve for x
x = 1,406,013,377,311.48/1,264,761.24 - Step 6: Final answer
x = 1,111,682.85
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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.