Finding the Fourth Proportional to 1,112,203.44, 1,668,538.44 and 481,206.96
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Solution
The fourth proportional to 1,112,203.44, 1,668,538.44 and 481,206.96 is: 721,911.37
Step by Step Solution
- Step 1: Write the proportion equation
1,112,203.44 : 1,668,538.44 = 481,206.96 : x - Step 2: Convert to fraction form
1,112,203.44/1,668,538.44 = 481,206.96/x - Step 3: Cross multiply
1,112,203.44x = 1,668,538.44 × 481,206.96 - Step 4: Simplify right side
1,112,203.44x = 802,912,310,355.54 - Step 5: Solve for x
x = 802,912,310,355.54/1,112,203.44 - Step 6: Final answer
x = 721,911.37
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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.