Finding the Fourth Proportional to 1,206,459.02, 1,809,687.49 and 307,900.68
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Solution
The fourth proportional to 1,206,459.02, 1,809,687.49 and 307,900.68 is: 461,850.75
Step by Step Solution
- Step 1: Write the proportion equation
1,206,459.02 : 1,809,687.49 = 307,900.68 : x - Step 2: Convert to fraction form
1,206,459.02/1,809,687.49 = 307,900.68/x - Step 3: Cross multiply
1,206,459.02x = 1,809,687.49 × 307,900.68 - Step 4: Simplify right side
1,206,459.02x = 557,204,008,758.49 - Step 5: Solve for x
x = 557,204,008,758.49/1,206,459.02 - Step 6: Final answer
x = 461,850.75
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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.