Finding the Fourth Proportional to 1,193,789.14, 1,647,438.96 and 649,928.68
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Solution
The fourth proportional to 1,193,789.14, 1,647,438.96 and 649,928.68 is: 896,906.99
Step by Step Solution
- Step 1: Write the proportion equation
1,193,789.14 : 1,647,438.96 = 649,928.68 : x - Step 2: Convert to fraction form
1,193,789.14/1,647,438.96 = 649,928.68/x - Step 3: Cross multiply
1,193,789.14x = 1,647,438.96 × 649,928.68 - Step 4: Simplify right side
1,193,789.14x = 1,070,717,828,653.37 - Step 5: Solve for x
x = 1,070,717,828,653.37/1,193,789.14 - Step 6: Final answer
x = 896,906.99
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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.