Finding the Fourth Proportional to 1,051,621.18, 1,576,799.97 and 411,161.88
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Solution
The fourth proportional to 1,051,621.18, 1,576,799.97 and 411,161.88 is: 616,495.80
Step by Step Solution
- Step 1: Write the proportion equation
1,051,621.18 : 1,576,799.97 = 411,161.88 : x - Step 2: Convert to fraction form
1,051,621.18/1,576,799.97 = 411,161.88/x - Step 3: Cross multiply
1,051,621.18x = 1,576,799.97 × 411,161.88 - Step 4: Simplify right side
1,051,621.18x = 648,320,040,049.14 - Step 5: Solve for x
x = 648,320,040,049.14/1,051,621.18 - Step 6: Final answer
x = 616,495.80
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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.