Finding the Fourth Proportional to 1,080,893.52, 1,491,480.63 and 615,759.63
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Solution
The fourth proportional to 1,080,893.52, 1,491,480.63 and 615,759.63 is: 849,661.45
Step by Step Solution
- Step 1: Write the proportion equation
1,080,893.52 : 1,491,480.63 = 615,759.63 : x - Step 2: Convert to fraction form
1,080,893.52/1,491,480.63 = 615,759.63/x - Step 3: Cross multiply
1,080,893.52x = 1,491,480.63 × 615,759.63 - Step 4: Simplify right side
1,080,893.52x = 918,393,560,880.97 - Step 5: Solve for x
x = 918,393,560,880.97/1,080,893.52 - Step 6: Final answer
x = 849,661.45
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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.