Finding the Fourth Proportional to 986,523.70, 1,479,785.55 and 881,461.30
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Solution
The fourth proportional to 986,523.70, 1,479,785.55 and 881,461.30 is: 1,322,191.95
Step by Step Solution
- Step 1: Write the proportion equation
986,523.70 : 1,479,785.55 = 881,461.30 : x - Step 2: Convert to fraction form
986,523.70/1,479,785.55 = 881,461.30/x - Step 3: Cross multiply
986,523.70x = 1,479,785.55 × 881,461.30 - Step 4: Simplify right side
986,523.70x = 1,304,373,694,624.22 - Step 5: Solve for x
x = 1,304,373,694,624.22/986,523.70 - Step 6: Final answer
x = 1,322,191.95
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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.