Finding the Fourth Proportional to 1,320,745.44, 1,822,629.42 and 717,133.44
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Solution
The fourth proportional to 1,320,745.44, 1,822,629.42 and 717,133.44 is: 989,644.53
Step by Step Solution
- Step 1: Write the proportion equation
1,320,745.44 : 1,822,629.42 = 717,133.44 : x - Step 2: Convert to fraction form
1,320,745.44/1,822,629.42 = 717,133.44/x - Step 3: Cross multiply
1,320,745.44x = 1,822,629.42 × 717,133.44 - Step 4: Simplify right side
1,320,745.44x = 1,307,068,505,809.80 - Step 5: Solve for x
x = 1,307,068,505,809.80/1,320,745.44 - Step 6: Final answer
x = 989,644.53
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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.