Finding the Fourth Proportional to 1,261,321.92, 1,740,627.36 and 717,445.44
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Solution
The fourth proportional to 1,261,321.92, 1,740,627.36 and 717,445.44 is: 990,076.48
Step by Step Solution
- Step 1: Write the proportion equation
1,261,321.92 : 1,740,627.36 = 717,445.44 : x - Step 2: Convert to fraction form
1,261,321.92/1,740,627.36 = 717,445.44/x - Step 3: Cross multiply
1,261,321.92x = 1,740,627.36 × 717,445.44 - Step 4: Simplify right side
1,261,321.92x = 1,248,805,162,171.24 - Step 5: Solve for x
x = 1,248,805,162,171.24/1,261,321.92 - Step 6: Final answer
x = 990,076.48
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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.