Finding the Fourth Proportional to 1,149,395.09, 1,724,486.49 and 439,626.11
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Solution
The fourth proportional to 1,149,395.09, 1,724,486.49 and 439,626.11 is: 659,589.80
Step by Step Solution
- Step 1: Write the proportion equation
1,149,395.09 : 1,724,486.49 = 439,626.11 : x - Step 2: Convert to fraction form
1,149,395.09/1,724,486.49 = 439,626.11/x - Step 3: Cross multiply
1,149,395.09x = 1,724,486.49 × 439,626.11 - Step 4: Simplify right side
1,149,395.09x = 758,129,279,822.89 - Step 5: Solve for x
x = 758,129,279,822.89/1,149,395.09 - Step 6: Final answer
x = 659,589.80
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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.