Finding the Fourth Proportional to 1,107,558.75, 1,528,431.68 and 598,261.13
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Solution
The fourth proportional to 1,107,558.75, 1,528,431.68 and 598,261.13 is: 825,600.68
Step by Step Solution
- Step 1: Write the proportion equation
1,107,558.75 : 1,528,431.68 = 598,261.13 : x - Step 2: Convert to fraction form
1,107,558.75/1,528,431.68 = 598,261.13/x - Step 3: Cross multiply
1,107,558.75x = 1,528,431.68 × 598,261.13 - Step 4: Simplify right side
1,107,558.75x = 914,401,257,858.09 - Step 5: Solve for x
x = 914,401,257,858.09/1,107,558.75 - Step 6: Final answer
x = 825,600.68
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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.