Finding the Fourth Proportional to 1,203,708.76, 1,661,107.26 and 659,875.48
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Solution
The fourth proportional to 1,203,708.76, 1,661,107.26 and 659,875.48 is: 910,622.23
Step by Step Solution
- Step 1: Write the proportion equation
1,203,708.76 : 1,661,107.26 = 659,875.48 : x - Step 2: Convert to fraction form
1,203,708.76/1,661,107.26 = 659,875.48/x - Step 3: Cross multiply
1,203,708.76x = 1,661,107.26 × 659,875.48 - Step 4: Simplify right side
1,203,708.76x = 1,096,123,950,523.98 - Step 5: Solve for x
x = 1,096,123,950,523.98/1,203,708.76 - Step 6: Final answer
x = 910,622.23
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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.