Finding the Fourth Proportional to 1,101,846.82, 1,520,548.62 and 618,411.99
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Solution
The fourth proportional to 1,101,846.82, 1,520,548.62 and 618,411.99 is: 853,408.55
Step by Step Solution
- Step 1: Write the proportion equation
1,101,846.82 : 1,520,548.62 = 618,411.99 : x - Step 2: Convert to fraction form
1,101,846.82/1,520,548.62 = 618,411.99/x - Step 3: Cross multiply
1,101,846.82x = 1,520,548.62 × 618,411.99 - Step 4: Simplify right side
1,101,846.82x = 940,325,489,964.85 - Step 5: Solve for x
x = 940,325,489,964.85/1,101,846.82 - Step 6: Final answer
x = 853,408.55
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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.