Finding the Fourth Proportional to 1,131,625.68, 1,561,612.28 and 622,328
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Solution
The fourth proportional to 1,131,625.68, 1,561,612.28 and 622,328 is: 858,795.50
Step by Step Solution
- Step 1: Write the proportion equation
1,131,625.68 : 1,561,612.28 = 622,328 : x - Step 2: Convert to fraction form
1,131,625.68/1,561,612.28 = 622,328/x - Step 3: Cross multiply
1,131,625.68x = 1,561,612.28 × 622,328 - Step 4: Simplify right side
1,131,625.68x = 971,835,046,987.84 - Step 5: Solve for x
x = 971,835,046,987.84/1,131,625.68 - Step 6: Final answer
x = 858,795.50
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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.