Finding the Fourth Proportional to 1,413,768.09, 2,120,849.10 and 454,252.62
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Solution
The fourth proportional to 1,413,768.09, 2,120,849.10 and 454,252.62 is: 681,442.22
Step by Step Solution
- Step 1: Write the proportion equation
1,413,768.09 : 2,120,849.10 = 454,252.62 : x - Step 2: Convert to fraction form
1,413,768.09/2,120,849.10 = 454,252.62/x - Step 3: Cross multiply
1,413,768.09x = 2,120,849.10 × 454,252.62 - Step 4: Simplify right side
1,413,768.09x = 963,401,260,299.64 - Step 5: Solve for x
x = 963,401,260,299.64/1,413,768.09 - Step 6: Final answer
x = 681,442.22
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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.