Finding the Fourth Proportional to 1,247,452.06, 1,871,408.94 and 394,738.06
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Solution
The fourth proportional to 1,247,452.06, 1,871,408.94 and 394,738.06 is: 592,180.14
Step by Step Solution
- Step 1: Write the proportion equation
1,247,452.06 : 1,871,408.94 = 394,738.06 : x - Step 2: Convert to fraction form
1,247,452.06/1,871,408.94 = 394,738.06/x - Step 3: Cross multiply
1,247,452.06x = 1,871,408.94 × 394,738.06 - Step 4: Simplify right side
1,247,452.06x = 738,716,334,442.26 - Step 5: Solve for x
x = 738,716,334,442.26/1,247,452.06 - Step 6: Final answer
x = 592,180.14
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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.