Finding the Fourth Proportional to 1,204,141.44, 1,804,947.81 and 405,145.62
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Solution
The fourth proportional to 1,204,141.44, 1,804,947.81 and 405,145.62 is: 607,293.03
Step by Step Solution
- Step 1: Write the proportion equation
1,204,141.44 : 1,804,947.81 = 405,145.62 : x - Step 2: Convert to fraction form
1,204,141.44/1,804,947.81 = 405,145.62/x - Step 3: Cross multiply
1,204,141.44x = 1,804,947.81 × 405,145.62 - Step 4: Simplify right side
1,204,141.44x = 731,266,699,550.09 - Step 5: Solve for x
x = 731,266,699,550.09/1,204,141.44 - Step 6: Final answer
x = 607,293.03
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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.