Finding the Fourth Proportional to 823,687.37, 1,136,102.67 and 755,923.17
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Solution
The fourth proportional to 823,687.37, 1,136,102.67 and 755,923.17 is: 1,042,636.28
Step by Step Solution
- Step 1: Write the proportion equation
823,687.37 : 1,136,102.67 = 755,923.17 : x - Step 2: Convert to fraction form
823,687.37/1,136,102.67 = 755,923.17/x - Step 3: Cross multiply
823,687.37x = 1,136,102.67 × 755,923.17 - Step 4: Simplify right side
823,687.37x = 858,806,331,751.86 - Step 5: Solve for x
x = 858,806,331,751.86/823,687.37 - Step 6: Final answer
x = 1,042,636.28
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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.