Finding the Fourth Proportional to 1,324,475.70, 1,984,672.35 and 985,928.10
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Solution
The fourth proportional to 1,324,475.70, 1,984,672.35 and 985,928.10 is: 1,477,372.70
Step by Step Solution
- Step 1: Write the proportion equation
1,324,475.70 : 1,984,672.35 = 985,928.10 : x - Step 2: Convert to fraction form
1,324,475.70/1,984,672.35 = 985,928.10/x - Step 3: Cross multiply
1,324,475.70x = 1,984,672.35 × 985,928.10 - Step 4: Simplify right side
1,324,475.70x = 1,956,744,239,158.04 - Step 5: Solve for x
x = 1,956,744,239,158.04/1,324,475.70 - Step 6: Final answer
x = 1,477,372.70
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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.