Finding the Fourth Proportional to 1,279,213.71, 1,765,310.01 and 706,249.68
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Solution
The fourth proportional to 1,279,213.71, 1,765,310.01 and 706,249.68 is: 974,621.85
Step by Step Solution
- Step 1: Write the proportion equation
1,279,213.71 : 1,765,310.01 = 706,249.68 : x - Step 2: Convert to fraction form
1,279,213.71/1,765,310.01 = 706,249.68/x - Step 3: Cross multiply
1,279,213.71x = 1,765,310.01 × 706,249.68 - Step 4: Simplify right side
1,279,213.71x = 1,246,749,629,663.30 - Step 5: Solve for x
x = 1,246,749,629,663.30/1,279,213.71 - Step 6: Final answer
x = 974,621.85
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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.