Finding the Fourth Proportional to 1,168,638.67, 1,753,185.21 and 448,927.75
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Solution
The fourth proportional to 1,168,638.67, 1,753,185.21 and 448,927.75 is: 673,478.90
Step by Step Solution
- Step 1: Write the proportion equation
1,168,638.67 : 1,753,185.21 = 448,927.75 : x - Step 2: Convert to fraction form
1,168,638.67/1,753,185.21 = 448,927.75/x - Step 3: Cross multiply
1,168,638.67x = 1,753,185.21 × 448,927.75 - Step 4: Simplify right side
1,168,638.67x = 787,053,491,658.58 - Step 5: Solve for x
x = 787,053,491,658.58/1,168,638.67 - Step 6: Final answer
x = 673,478.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.