Finding the Fourth Proportional to 1,081,505.99, 1,622,142.21 and 361,766.09
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Solution
The fourth proportional to 1,081,505.99, 1,622,142.21 and 361,766.09 is: 542,610.07
Step by Step Solution
- Step 1: Write the proportion equation
1,081,505.99 : 1,622,142.21 = 361,766.09 : x - Step 2: Convert to fraction form
1,081,505.99/1,622,142.21 = 361,766.09/x - Step 3: Cross multiply
1,081,505.99x = 1,622,142.21 × 361,766.09 - Step 4: Simplify right side
1,081,505.99x = 586,836,036,624.95 - Step 5: Solve for x
x = 586,836,036,624.95/1,081,505.99 - Step 6: Final answer
x = 542,610.07
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1.5x scale
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.