Finding the Fourth Proportional to 1,080,639.18, 1,622,055.60 and 541,281.96
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Solution
The fourth proportional to 1,080,639.18, 1,622,055.60 and 541,281.96 is: 812,472.33
Step by Step Solution
- Step 1: Write the proportion equation
1,080,639.18 : 1,622,055.60 = 541,281.96 : x - Step 2: Convert to fraction form
1,080,639.18/1,622,055.60 = 541,281.96/x - Step 3: Cross multiply
1,080,639.18x = 1,622,055.60 × 541,281.96 - Step 4: Simplify right side
1,080,639.18x = 877,989,434,396.98 - Step 5: Solve for x
x = 877,989,434,396.98/1,080,639.18 - Step 6: Final answer
x = 812,472.33
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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.