Finding the Fourth Proportional to 1,197,896.80, 1,796,189.10 and 487,121.80
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Solution
The fourth proportional to 1,197,896.80, 1,796,189.10 and 487,121.80 is: 730,415.90
Step by Step Solution
- Step 1: Write the proportion equation
1,197,896.80 : 1,796,189.10 = 487,121.80 : x - Step 2: Convert to fraction form
1,197,896.80/1,796,189.10 = 487,121.80/x - Step 3: Cross multiply
1,197,896.80x = 1,796,189.10 × 487,121.80 - Step 4: Simplify right side
1,197,896.80x = 874,962,867,532.38 - Step 5: Solve for x
x = 874,962,867,532.38/1,197,896.80 - Step 6: Final answer
x = 730,415.90
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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.