Finding the Fourth Proportional to 1,206,211.26, 1,664,704.26 and 690,012.84
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Solution
The fourth proportional to 1,206,211.26, 1,664,704.26 and 690,012.84 is: 952,293.64
Step by Step Solution
- Step 1: Write the proportion equation
1,206,211.26 : 1,664,704.26 = 690,012.84 : x - Step 2: Convert to fraction form
1,206,211.26/1,664,704.26 = 690,012.84/x - Step 3: Cross multiply
1,206,211.26x = 1,664,704.26 × 690,012.84 - Step 4: Simplify right side
1,206,211.26x = 1,148,667,314,202.70 - Step 5: Solve for x
x = 1,148,667,314,202.70/1,206,211.26 - Step 6: Final answer
x = 952,293.64
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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.