Finding the Fourth Proportional to 1,487,790.36, 2,229,817.70 and 804,649.99
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Solution
The fourth proportional to 1,487,790.36, 2,229,817.70 and 804,649.99 is: 1,205,964.78
Step by Step Solution
- Step 1: Write the proportion equation
1,487,790.36 : 2,229,817.70 = 804,649.99 : x - Step 2: Convert to fraction form
1,487,790.36/2,229,817.70 = 804,649.99/x - Step 3: Cross multiply
1,487,790.36x = 2,229,817.70 × 804,649.99 - Step 4: Simplify right side
1,487,790.36x = 1,794,222,780,409.03 - Step 5: Solve for x
x = 1,794,222,780,409.03/1,487,790.36 - Step 6: Final answer
x = 1,205,964.78
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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.