Finding the Fourth Proportional to 1,126,115.53, 1,554,194.04 and 690,455.81
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Solution
The fourth proportional to 1,126,115.53, 1,554,194.04 and 690,455.81 is: 952,923.81
Step by Step Solution
- Step 1: Write the proportion equation
1,126,115.53 : 1,554,194.04 = 690,455.81 : x - Step 2: Convert to fraction form
1,126,115.53/1,554,194.04 = 690,455.81/x - Step 3: Cross multiply
1,126,115.53x = 1,554,194.04 × 690,455.81 - Step 4: Simplify right side
1,126,115.53x = 1,073,102,304,785.37 - Step 5: Solve for x
x = 1,073,102,304,785.37/1,126,115.53 - Step 6: Final answer
x = 952,923.81
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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.