Finding the Fourth Proportional to 1,252,496.16, 1,727,378.60 and 871,433.28
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Solution
The fourth proportional to 1,252,496.16, 1,727,378.60 and 871,433.28 is: 1,201,836.18
Step by Step Solution
- Step 1: Write the proportion equation
1,252,496.16 : 1,727,378.60 = 871,433.28 : x - Step 2: Convert to fraction form
1,252,496.16/1,727,378.60 = 871,433.28/x - Step 3: Cross multiply
1,252,496.16x = 1,727,378.60 × 871,433.28 - Step 4: Simplify right side
1,252,496.16x = 1,505,295,194,842.64 - Step 5: Solve for x
x = 1,505,295,194,842.64/1,252,496.16 - Step 6: Final answer
x = 1,201,836.18
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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.