Finding the Fourth Proportional to 1,166,489.63, 1,609,755.68 and 629,945.63
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Solution
The fourth proportional to 1,166,489.63, 1,609,755.68 and 629,945.63 is: 869,324.96
Step by Step Solution
- Step 1: Write the proportion equation
1,166,489.63 : 1,609,755.68 = 629,945.63 : x - Step 2: Convert to fraction form
1,166,489.63/1,609,755.68 = 629,945.63/x - Step 3: Cross multiply
1,166,489.63x = 1,609,755.68 × 629,945.63 - Step 4: Simplify right side
1,166,489.63x = 1,014,058,555,983.68 - Step 5: Solve for x
x = 1,014,058,555,983.68/1,166,489.63 - Step 6: Final answer
x = 869,324.96
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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.