Finding the Fourth Proportional to 1,263,655.97, 1,743,842.72 and 719,791.55
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Solution
The fourth proportional to 1,263,655.97, 1,743,842.72 and 719,791.55 is: 993,310.90
Step by Step Solution
- Step 1: Write the proportion equation
1,263,655.97 : 1,743,842.72 = 719,791.55 : x - Step 2: Convert to fraction form
1,263,655.97/1,743,842.72 = 719,791.55/x - Step 3: Cross multiply
1,263,655.97x = 1,743,842.72 × 719,791.55 - Step 4: Simplify right side
1,263,655.97x = 1,255,203,250,786.06 - Step 5: Solve for x
x = 1,255,203,250,786.06/1,263,655.97 - Step 6: Final answer
x = 993,310.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.