Finding the Fourth Proportional to 1,192,439.91, 1,787,577.51 and 433,745.13
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Solution
The fourth proportional to 1,192,439.91, 1,787,577.51 and 433,745.13 is: 650,223.99
Step by Step Solution
- Step 1: Write the proportion equation
1,192,439.91 : 1,787,577.51 = 433,745.13 : x - Step 2: Convert to fraction form
1,192,439.91/1,787,577.51 = 433,745.13/x - Step 3: Cross multiply
1,192,439.91x = 1,787,577.51 × 433,745.13 - Step 4: Simplify right side
1,192,439.91x = 775,353,035,295.05 - Step 5: Solve for x
x = 775,353,035,295.05/1,192,439.91 - Step 6: Final answer
x = 650,223.99
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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.