Finding the Fourth Proportional to 1,080,616.12, 1,621,204.31 and 574,760.97
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Solution
The fourth proportional to 1,080,616.12, 1,621,204.31 and 574,760.97 is: 862,290.45
Step by Step Solution
- Step 1: Write the proportion equation
1,080,616.12 : 1,621,204.31 = 574,760.97 : x - Step 2: Convert to fraction form
1,080,616.12/1,621,204.31 = 574,760.97/x - Step 3: Cross multiply
1,080,616.12x = 1,621,204.31 × 574,760.97 - Step 4: Simplify right side
1,080,616.12x = 931,804,960,319.24 - Step 5: Solve for x
x = 931,804,960,319.24/1,080,616.12 - Step 6: Final answer
x = 862,290.45
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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.