Finding the Fourth Proportional to 1,086,615.63, 1,629,554.31 and 376,477.92
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Solution
The fourth proportional to 1,086,615.63, 1,629,554.31 and 376,477.92 is: 564,588.99
Step by Step Solution
- Step 1: Write the proportion equation
1,086,615.63 : 1,629,554.31 = 376,477.92 : x - Step 2: Convert to fraction form
1,086,615.63/1,629,554.31 = 376,477.92/x - Step 3: Cross multiply
1,086,615.63x = 1,629,554.31 × 376,477.92 - Step 4: Simplify right side
1,086,615.63x = 613,491,217,155.84 - Step 5: Solve for x
x = 613,491,217,155.84/1,086,615.63 - Step 6: Final answer
x = 564,588.99
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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.