Finding the Fourth Proportional to 1,203,107.76, 1,660,289.12 and 659,239.12
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Solution
The fourth proportional to 1,203,107.76, 1,660,289.12 and 659,239.12 is: 909,750.21
Step by Step Solution
- Step 1: Write the proportion equation
1,203,107.76 : 1,660,289.12 = 659,239.12 : x - Step 2: Convert to fraction form
1,203,107.76/1,660,289.12 = 659,239.12/x - Step 3: Cross multiply
1,203,107.76x = 1,660,289.12 × 659,239.12 - Step 4: Simplify right side
1,203,107.76x = 1,094,527,538,414.37 - Step 5: Solve for x
x = 1,094,527,538,414.37/1,203,107.76 - Step 6: Final answer
x = 909,750.21
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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.