Finding the Fourth Proportional to 1,019,679.13, 1,529,206.09 and 336,439.88
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Solution
The fourth proportional to 1,019,679.13, 1,529,206.09 and 336,439.88 is: 504,556.67
Step by Step Solution
- Step 1: Write the proportion equation
1,019,679.13 : 1,529,206.09 = 336,439.88 : x - Step 2: Convert to fraction form
1,019,679.13/1,529,206.09 = 336,439.88/x - Step 3: Cross multiply
1,019,679.13x = 1,529,206.09 × 336,439.88 - Step 4: Simplify right side
1,019,679.13x = 514,485,910,662.26 - Step 5: Solve for x
x = 514,485,910,662.26/1,019,679.13 - Step 6: Final answer
x = 504,556.67
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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.