Finding the Fourth Proportional to 1,269,175.17, 1,903,769.24 and 427,734.21
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Solution
The fourth proportional to 1,269,175.17, 1,903,769.24 and 427,734.21 is: 641,603.50
Step by Step Solution
- Step 1: Write the proportion equation
1,269,175.17 : 1,903,769.24 = 427,734.21 : x - Step 2: Convert to fraction form
1,269,175.17/1,903,769.24 = 427,734.21/x - Step 3: Cross multiply
1,269,175.17x = 1,903,769.24 × 427,734.21 - Step 4: Simplify right side
1,269,175.17x = 814,307,229,755.03 - Step 5: Solve for x
x = 814,307,229,755.03/1,269,175.17 - Step 6: Final answer
x = 641,603.50
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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.