Finding the Fourth Proportional to 1,202,828.09, 1,659,272.93 and 743,796.23
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Solution
The fourth proportional to 1,202,828.09, 1,659,272.93 and 743,796.23 is: 1,026,049.33
Step by Step Solution
- Step 1: Write the proportion equation
1,202,828.09 : 1,659,272.93 = 743,796.23 : x - Step 2: Convert to fraction form
1,202,828.09/1,659,272.93 = 743,796.23/x - Step 3: Cross multiply
1,202,828.09x = 1,659,272.93 × 743,796.23 - Step 4: Simplify right side
1,202,828.09x = 1,234,160,949,875.05 - Step 5: Solve for x
x = 1,234,160,949,875.05/1,202,828.09 - Step 6: Final answer
x = 1,026,049.33
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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.