Finding the Fourth Proportional to 1,207,202.40, 1,809,651.60 and 448,840.80
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Solution
The fourth proportional to 1,207,202.40, 1,809,651.60 and 448,840.80 is: 672,832.88
Step by Step Solution
- Step 1: Write the proportion equation
1,207,202.40 : 1,809,651.60 = 448,840.80 : x - Step 2: Convert to fraction form
1,207,202.40/1,809,651.60 = 448,840.80/x - Step 3: Cross multiply
1,207,202.40x = 1,809,651.60 × 448,840.80 - Step 4: Simplify right side
1,207,202.40x = 812,245,471,865.28 - Step 5: Solve for x
x = 812,245,471,865.28/1,207,202.40 - Step 6: Final answer
x = 672,832.88
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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.