Finding the Fourth Proportional to 1,356,624.54, 1,872,163.82 and 744,833.70
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Solution
The fourth proportional to 1,356,624.54, 1,872,163.82 and 744,833.70 is: 1,027,882.56
Step by Step Solution
- Step 1: Write the proportion equation
1,356,624.54 : 1,872,163.82 = 744,833.70 : x - Step 2: Convert to fraction form
1,356,624.54/1,872,163.82 = 744,833.70/x - Step 3: Cross multiply
1,356,624.54x = 1,872,163.82 × 744,833.70 - Step 4: Simplify right side
1,356,624.54x = 1,394,450,706,918.82 - Step 5: Solve for x
x = 1,394,450,706,918.82/1,356,624.54 - Step 6: Final answer
x = 1,027,882.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.