Finding the Fourth Proportional to 1,086,615.38, 1,629,553.98 and 376,477.68
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Solution
The fourth proportional to 1,086,615.38, 1,629,553.98 and 376,477.68 is: 564,588.64
Step by Step Solution
- Step 1: Write the proportion equation
1,086,615.38 : 1,629,553.98 = 376,477.68 : x - Step 2: Convert to fraction form
1,086,615.38/1,629,553.98 = 376,477.68/x - Step 3: Cross multiply
1,086,615.38x = 1,629,553.98 × 376,477.68 - Step 4: Simplify right side
1,086,615.38x = 613,490,701,825.17 - Step 5: Solve for x
x = 613,490,701,825.17/1,086,615.38 - Step 6: Final answer
x = 564,588.64
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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.