Finding the Fourth Proportional to 1,343,351.28, 2,015,168.16 and 774,719.44
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Solution
The fourth proportional to 1,343,351.28, 2,015,168.16 and 774,719.44 is: 1,162,160.61
Step by Step Solution
- Step 1: Write the proportion equation
1,343,351.28 : 2,015,168.16 = 774,719.44 : x - Step 2: Convert to fraction form
1,343,351.28/2,015,168.16 = 774,719.44/x - Step 3: Cross multiply
1,343,351.28x = 2,015,168.16 × 774,719.44 - Step 4: Simplify right side
1,343,351.28x = 1,561,189,948,421.03 - Step 5: Solve for x
x = 1,561,189,948,421.03/1,343,351.28 - Step 6: Final answer
x = 1,162,160.61
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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.