Finding the Fourth Proportional to 1,239,717.60, 1,858,701.60 and 566,121.60
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Solution
The fourth proportional to 1,239,717.60, 1,858,701.60 and 566,121.60 is: 848,782.92
Step by Step Solution
- Step 1: Write the proportion equation
1,239,717.60 : 1,858,701.60 = 566,121.60 : x - Step 2: Convert to fraction form
1,239,717.60/1,858,701.60 = 566,121.60/x - Step 3: Cross multiply
1,239,717.60x = 1,858,701.60 × 566,121.60 - Step 4: Simplify right side
1,239,717.60x = 1,052,251,123,714.56 - Step 5: Solve for x
x = 1,052,251,123,714.56/1,239,717.60 - Step 6: Final answer
x = 848,782.92
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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.