Finding the Fourth Proportional to 1,080,759.67, 1,491,459.41 and 590,743.18
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Solution
The fourth proportional to 1,080,759.67, 1,491,459.41 and 590,743.18 is: 815,231.63
Step by Step Solution
- Step 1: Write the proportion equation
1,080,759.67 : 1,491,459.41 = 590,743.18 : x - Step 2: Convert to fraction form
1,080,759.67/1,491,459.41 = 590,743.18/x - Step 3: Cross multiply
1,080,759.67x = 1,491,459.41 × 590,743.18 - Step 4: Simplify right side
1,080,759.67x = 881,069,468,021.96 - Step 5: Solve for x
x = 881,069,468,021.96/1,080,759.67 - Step 6: Final answer
x = 815,231.63
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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.