Finding the Fourth Proportional to 1,295,471.21, 1,942,785.78 and 430,673.99
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Solution
The fourth proportional to 1,295,471.21, 1,942,785.78 and 430,673.99 is: 645,871.01
Step by Step Solution
- Step 1: Write the proportion equation
1,295,471.21 : 1,942,785.78 = 430,673.99 : x - Step 2: Convert to fraction form
1,295,471.21/1,942,785.78 = 430,673.99/x - Step 3: Cross multiply
1,295,471.21x = 1,942,785.78 × 430,673.99 - Step 4: Simplify right side
1,295,471.21x = 836,707,293,873.93 - Step 5: Solve for x
x = 836,707,293,873.93/1,295,471.21 - Step 6: Final answer
x = 645,871.01
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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.