Finding the Fourth Proportional to 1,126,583.44, 1,688,912.88 and 416,479.12
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Solution
The fourth proportional to 1,126,583.44, 1,688,912.88 and 416,479.12 is: 624,362.94
Step by Step Solution
- Step 1: Write the proportion equation
1,126,583.44 : 1,688,912.88 = 416,479.12 : x - Step 2: Convert to fraction form
1,126,583.44/1,688,912.88 = 416,479.12/x - Step 3: Cross multiply
1,126,583.44x = 1,688,912.88 × 416,479.12 - Step 4: Simplify right side
1,126,583.44x = 703,396,950,019.07 - Step 5: Solve for x
x = 703,396,950,019.07/1,126,583.44 - Step 6: Final answer
x = 624,362.94
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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.