Finding the Fourth Proportional to 1,015,629.84, 1,523,658.36 and 384,529.68
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Solution
The fourth proportional to 1,015,629.84, 1,523,658.36 and 384,529.68 is: 576,875.39
Step by Step Solution
- Step 1: Write the proportion equation
1,015,629.84 : 1,523,658.36 = 384,529.68 : x - Step 2: Convert to fraction form
1,015,629.84/1,523,658.36 = 384,529.68/x - Step 3: Cross multiply
1,015,629.84x = 1,523,658.36 × 384,529.68 - Step 4: Simplify right side
1,015,629.84x = 585,891,861,600.13 - Step 5: Solve for x
x = 585,891,861,600.13/1,015,629.84 - Step 6: Final answer
x = 576,875.39
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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.