Finding the Fourth Proportional to 1,377,622.14, 1,901,236.26 and 765,893.94
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Solution
The fourth proportional to 1,377,622.14, 1,901,236.26 and 765,893.94 is: 1,056,999.08
Step by Step Solution
- Step 1: Write the proportion equation
1,377,622.14 : 1,901,236.26 = 765,893.94 : x - Step 2: Convert to fraction form
1,377,622.14/1,901,236.26 = 765,893.94/x - Step 3: Cross multiply
1,377,622.14x = 1,901,236.26 × 765,893.94 - Step 4: Simplify right side
1,377,622.14x = 1,456,145,330,042.26 - Step 5: Solve for x
x = 1,456,145,330,042.26/1,377,622.14 - Step 6: Final answer
x = 1,056,999.08
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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.