Finding the Fourth Proportional to 1,135,231.80, 1,702,847.70 and 1,065,247.80
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Solution
The fourth proportional to 1,135,231.80, 1,702,847.70 and 1,065,247.80 is: 1,597,871.70
Step by Step Solution
- Step 1: Write the proportion equation
1,135,231.80 : 1,702,847.70 = 1,065,247.80 : x - Step 2: Convert to fraction form
1,135,231.80/1,702,847.70 = 1,065,247.80/x - Step 3: Cross multiply
1,135,231.80x = 1,702,847.70 × 1,065,247.80 - Step 4: Simplify right side
1,135,231.80x = 1,813,954,766,160.06 - Step 5: Solve for x
x = 1,813,954,766,160.06/1,135,231.80 - Step 6: Final answer
x = 1,597,871.70
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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.