Finding the Fourth Proportional to 1,247,396.20, 1,871,325.09 and 394,682.49
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Solution
The fourth proportional to 1,247,396.20, 1,871,325.09 and 394,682.49 is: 592,096.76
Step by Step Solution
- Step 1: Write the proportion equation
1,247,396.20 : 1,871,325.09 = 394,682.49 : x - Step 2: Convert to fraction form
1,247,396.20/1,871,325.09 = 394,682.49/x - Step 3: Cross multiply
1,247,396.20x = 1,871,325.09 × 394,682.49 - Step 4: Simplify right side
1,247,396.20x = 738,579,246,120.67 - Step 5: Solve for x
x = 738,579,246,120.67/1,247,396.20 - Step 6: Final answer
x = 592,096.76
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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.