Finding the Fourth Proportional to 1,202,821.97, 1,659,264.48 and 743,790.11
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Solution
The fourth proportional to 1,202,821.97, 1,659,264.48 and 743,790.11 is: 1,026,040.88
Step by Step Solution
- Step 1: Write the proportion equation
1,202,821.97 : 1,659,264.48 = 743,790.11 : x - Step 2: Convert to fraction form
1,202,821.97/1,659,264.48 = 743,790.11/x - Step 3: Cross multiply
1,202,821.97x = 1,659,264.48 × 743,790.11 - Step 4: Simplify right side
1,202,821.97x = 1,234,144,501,801.97 - Step 5: Solve for x
x = 1,234,144,501,801.97/1,202,821.97 - Step 6: Final answer
x = 1,026,040.88
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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.