Finding the Fourth Proportional to 1,086,682.62, 1,630,023.84 and 412,762.26
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Solution
The fourth proportional to 1,086,682.62, 1,630,023.84 and 412,762.26 is: 619,143.36
Step by Step Solution
- Step 1: Write the proportion equation
1,086,682.62 : 1,630,023.84 = 412,762.26 : x - Step 2: Convert to fraction form
1,086,682.62/1,630,023.84 = 412,762.26/x - Step 3: Cross multiply
1,086,682.62x = 1,630,023.84 × 412,762.26 - Step 4: Simplify right side
1,086,682.62x = 672,812,324,052.28 - Step 5: Solve for x
x = 672,812,324,052.28/1,086,682.62 - Step 6: Final answer
x = 619,143.36
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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.