Finding the Fourth Proportional to 1,313,793.80, 1,970,229.90 and 682,497.80
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Solution
The fourth proportional to 1,313,793.80, 1,970,229.90 and 682,497.80 is: 1,023,507.32
Step by Step Solution
- Step 1: Write the proportion equation
1,313,793.80 : 1,970,229.90 = 682,497.80 : x - Step 2: Convert to fraction form
1,313,793.80/1,970,229.90 = 682,497.80/x - Step 3: Cross multiply
1,313,793.80x = 1,970,229.90 × 682,497.80 - Step 4: Simplify right side
1,313,793.80x = 1,344,677,572,244.22 - Step 5: Solve for x
x = 1,344,677,572,244.22/1,313,793.80 - Step 6: Final answer
x = 1,023,507.32
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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.