Finding the Fourth Proportional to 1,233,115.40, 1,845,022.07 and 727,951.20
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Solution
The fourth proportional to 1,233,115.40, 1,845,022.07 and 727,951.20 is: 1,089,181.14
Step by Step Solution
- Step 1: Write the proportion equation
1,233,115.40 : 1,845,022.07 = 727,951.20 : x - Step 2: Convert to fraction form
1,233,115.40/1,845,022.07 = 727,951.20/x - Step 3: Cross multiply
1,233,115.40x = 1,845,022.07 × 727,951.20 - Step 4: Simplify right side
1,233,115.40x = 1,343,086,026,243.23 - Step 5: Solve for x
x = 1,343,086,026,243.23/1,233,115.40 - Step 6: Final answer
x = 1,089,181.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.