Finding the Fourth Proportional to 1,267,944.12, 1,900,787.34 and 458,147.92
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Solution
The fourth proportional to 1,267,944.12, 1,900,787.34 and 458,147.92 is: 686,813.99
Step by Step Solution
- Step 1: Write the proportion equation
1,267,944.12 : 1,900,787.34 = 458,147.92 : x - Step 2: Convert to fraction form
1,267,944.12/1,900,787.34 = 458,147.92/x - Step 3: Cross multiply
1,267,944.12x = 1,900,787.34 × 458,147.92 - Step 4: Simplify right side
1,267,944.12x = 870,841,766,183.33 - Step 5: Solve for x
x = 870,841,766,183.33/1,267,944.12 - Step 6: Final answer
x = 686,813.99
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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.