Finding the Fourth Proportional to 1,322,112.84, 1,983,169.91 and 872,728.68
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Solution
The fourth proportional to 1,322,112.84, 1,983,169.91 and 872,728.68 is: 1,309,093.45
Step by Step Solution
- Step 1: Write the proportion equation
1,322,112.84 : 1,983,169.91 = 872,728.68 : x - Step 2: Convert to fraction form
1,322,112.84/1,983,169.91 = 872,728.68/x - Step 3: Cross multiply
1,322,112.84x = 1,983,169.91 × 872,728.68 - Step 4: Simplify right side
1,322,112.84x = 1,730,769,253,406.38 - Step 5: Solve for x
x = 1,730,769,253,406.38/1,322,112.84 - Step 6: Final answer
x = 1,309,093.45
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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.