Finding the Fourth Proportional to 1,412,518.18, 1,949,187.75 and 792,289.21
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Solution
The fourth proportional to 1,412,518.18, 1,949,187.75 and 792,289.21 is: 1,093,310.12
Step by Step Solution
- Step 1: Write the proportion equation
1,412,518.18 : 1,949,187.75 = 792,289.21 : x - Step 2: Convert to fraction form
1,412,518.18/1,949,187.75 = 792,289.21/x - Step 3: Cross multiply
1,412,518.18x = 1,949,187.75 × 792,289.21 - Step 4: Simplify right side
1,412,518.18x = 1,544,320,422,589.18 - Step 5: Solve for x
x = 1,544,320,422,589.18/1,412,518.18 - Step 6: Final answer
x = 1,093,310.12
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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.