Finding the Fourth Proportional to 1,512,088.40, 2,265,022.20 and 764,555.60
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Solution
The fourth proportional to 1,512,088.40, 2,265,022.20 and 764,555.60 is: 1,145,260.69
Step by Step Solution
- Step 1: Write the proportion equation
1,512,088.40 : 2,265,022.20 = 764,555.60 : x - Step 2: Convert to fraction form
1,512,088.40/2,265,022.20 = 764,555.60/x - Step 3: Cross multiply
1,512,088.40x = 2,265,022.20 × 764,555.60 - Step 4: Simplify right side
1,512,088.40x = 1,731,735,407,134.32 - Step 5: Solve for x
x = 1,731,735,407,134.32/1,512,088.40 - Step 6: Final answer
x = 1,145,260.69
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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.