Finding the Fourth Proportional to 1,724,635.70, 2,586,953.55 and 659,129.30
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Solution
The fourth proportional to 1,724,635.70, 2,586,953.55 and 659,129.30 is: 988,693.95
Step by Step Solution
- Step 1: Write the proportion equation
1,724,635.70 : 2,586,953.55 = 659,129.30 : x - Step 2: Convert to fraction form
1,724,635.70/2,586,953.55 = 659,129.30/x - Step 3: Cross multiply
1,724,635.70x = 2,586,953.55 × 659,129.30 - Step 4: Simplify right side
1,724,635.70x = 1,705,136,882,544.02 - Step 5: Solve for x
x = 1,705,136,882,544.02/1,724,635.70 - Step 6: Final answer
x = 988,693.95
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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.