Finding the Fourth Proportional to 1,193,672.16, 1,647,217.13 and 649,796.63
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Solution
The fourth proportional to 1,193,672.16, 1,647,217.13 and 649,796.63 is: 896,691.88
Step by Step Solution
- Step 1: Write the proportion equation
1,193,672.16 : 1,647,217.13 = 649,796.63 : x - Step 2: Convert to fraction form
1,193,672.16/1,647,217.13 = 649,796.63/x - Step 3: Cross multiply
1,193,672.16x = 1,647,217.13 × 649,796.63 - Step 4: Simplify right side
1,193,672.16x = 1,070,356,128,467.20 - Step 5: Solve for x
x = 1,070,356,128,467.20/1,193,672.16 - Step 6: Final answer
x = 896,691.88
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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.