Finding the Fourth Proportional to 1,275,912.96, 1,761,014.84 and 732,416.16
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Solution
The fourth proportional to 1,275,912.96, 1,761,014.84 and 732,416.16 is: 1,010,880.65
Step by Step Solution
- Step 1: Write the proportion equation
1,275,912.96 : 1,761,014.84 = 732,416.16 : x - Step 2: Convert to fraction form
1,275,912.96/1,761,014.84 = 732,416.16/x - Step 3: Cross multiply
1,275,912.96x = 1,761,014.84 × 732,416.16 - Step 4: Simplify right side
1,275,912.96x = 1,289,795,726,815.81 - Step 5: Solve for x
x = 1,289,795,726,815.81/1,275,912.96 - Step 6: Final answer
x = 1,010,880.65
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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.