Finding the Fourth Proportional to 1,089,961.92, 1,504,327.68 and 637,165.44
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Solution
The fourth proportional to 1,089,961.92, 1,504,327.68 and 637,165.44 is: 879,393.67
Step by Step Solution
- Step 1: Write the proportion equation
1,089,961.92 : 1,504,327.68 = 637,165.44 : x - Step 2: Convert to fraction form
1,089,961.92/1,504,327.68 = 637,165.44/x - Step 3: Cross multiply
1,089,961.92x = 1,504,327.68 × 637,165.44 - Step 4: Simplify right side
1,089,961.92x = 958,505,608,131.38 - Step 5: Solve for x
x = 958,505,608,131.38/1,089,961.92 - Step 6: Final answer
x = 879,393.67
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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.