Finding the Fourth Proportional to 1,323,756.57, 1,985,306.79 and 377,135.49
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Solution
The fourth proportional to 1,323,756.57, 1,985,306.79 and 377,135.49 is: 565,609.77
Step by Step Solution
- Step 1: Write the proportion equation
1,323,756.57 : 1,985,306.79 = 377,135.49 : x - Step 2: Convert to fraction form
1,323,756.57/1,985,306.79 = 377,135.49/x - Step 3: Cross multiply
1,323,756.57x = 1,985,306.79 × 377,135.49 - Step 4: Simplify right side
1,323,756.57x = 748,729,649,046.98 - Step 5: Solve for x
x = 748,729,649,046.98/1,323,756.57 - Step 6: Final answer
x = 565,609.77
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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.