Finding the Fourth Proportional to 1,203,770.79, 1,805,892.21 and 445,618.08
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Solution
The fourth proportional to 1,203,770.79, 1,805,892.21 and 445,618.08 is: 668,514.49
Step by Step Solution
- Step 1: Write the proportion equation
1,203,770.79 : 1,805,892.21 = 445,618.08 : x - Step 2: Convert to fraction form
1,203,770.79/1,805,892.21 = 445,618.08/x - Step 3: Cross multiply
1,203,770.79x = 1,805,892.21 × 445,618.08 - Step 4: Simplify right side
1,203,770.79x = 804,738,219,307.16 - Step 5: Solve for x
x = 804,738,219,307.16/1,203,770.79 - Step 6: Final answer
x = 668,514.49
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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.