Finding the Fourth Proportional to 1,343,408.87, 1,853,885.92 and 762,626.94
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Solution
The fourth proportional to 1,343,408.87, 1,853,885.92 and 762,626.94 is: 1,052,414.78
Step by Step Solution
- Step 1: Write the proportion equation
1,343,408.87 : 1,853,885.92 = 762,626.94 : x - Step 2: Convert to fraction form
1,343,408.87/1,853,885.92 = 762,626.94/x - Step 3: Cross multiply
1,343,408.87x = 1,853,885.92 × 762,626.94 - Step 4: Simplify right side
1,343,408.87x = 1,413,823,346,278.68 - Step 5: Solve for x
x = 1,413,823,346,278.68/1,343,408.87 - Step 6: Final answer
x = 1,052,414.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.