Finding the Fourth Proportional to 1,208,249.87, 1,667,349.56 and 664,385.09
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Solution
The fourth proportional to 1,208,249.87, 1,667,349.56 and 664,385.09 is: 916,832.03
Step by Step Solution
- Step 1: Write the proportion equation
1,208,249.87 : 1,667,349.56 = 664,385.09 : x - Step 2: Convert to fraction form
1,208,249.87/1,667,349.56 = 664,385.09/x - Step 3: Cross multiply
1,208,249.87x = 1,667,349.56 × 664,385.09 - Step 4: Simplify right side
1,208,249.87x = 1,107,762,180,806.28 - Step 5: Solve for x
x = 1,107,762,180,806.28/1,208,249.87 - Step 6: Final answer
x = 916,832.03
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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.