Finding the Fourth Proportional to 1,008,723.16, 1,512,691.08 and 440,278.12
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Solution
The fourth proportional to 1,008,723.16, 1,512,691.08 and 440,278.12 is: 660,245.36
Step by Step Solution
- Step 1: Write the proportion equation
1,008,723.16 : 1,512,691.08 = 440,278.12 : x - Step 2: Convert to fraction form
1,008,723.16/1,512,691.08 = 440,278.12/x - Step 3: Cross multiply
1,008,723.16x = 1,512,691.08 × 440,278.12 - Step 4: Simplify right side
1,008,723.16x = 666,004,784,843.17 - Step 5: Solve for x
x = 666,004,784,843.17/1,008,723.16 - Step 6: Final answer
x = 660,245.36
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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.