Finding the Fourth Proportional to 1,119,230.75, 1,544,382.50 and 629,130.80
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Solution
The fourth proportional to 1,119,230.75, 1,544,382.50 and 629,130.80 is: 868,112.85
Step by Step Solution
- Step 1: Write the proportion equation
1,119,230.75 : 1,544,382.50 = 629,130.80 : x - Step 2: Convert to fraction form
1,119,230.75/1,544,382.50 = 629,130.80/x - Step 3: Cross multiply
1,119,230.75x = 1,544,382.50 × 629,130.80 - Step 4: Simplify right side
1,119,230.75x = 971,618,586,863.43 - Step 5: Solve for x
x = 971,618,586,863.43/1,119,230.75 - Step 6: Final answer
x = 868,112.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.