Finding the Fourth Proportional to 1,370,446.58, 1,891,193.37 and 758,586.21
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Solution
The fourth proportional to 1,370,446.58, 1,891,193.37 and 758,586.21 is: 1,046,836.28
Step by Step Solution
- Step 1: Write the proportion equation
1,370,446.58 : 1,891,193.37 = 758,586.21 : x - Step 2: Convert to fraction form
1,370,446.58/1,891,193.37 = 758,586.21/x - Step 3: Cross multiply
1,370,446.58x = 1,891,193.37 × 758,586.21 - Step 4: Simplify right side
1,370,446.58x = 1,434,633,197,676.53 - Step 5: Solve for x
x = 1,434,633,197,676.53/1,370,446.58 - Step 6: Final answer
x = 1,046,836.28
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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.