Finding the Fourth Proportional to 1,272,771.44, 1,756,431.20 and 699,848.56
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Solution
The fourth proportional to 1,272,771.44, 1,756,431.20 and 699,848.56 is: 965,794.65
Step by Step Solution
- Step 1: Write the proportion equation
1,272,771.44 : 1,756,431.20 = 699,848.56 : x - Step 2: Convert to fraction form
1,272,771.44/1,756,431.20 = 699,848.56/x - Step 3: Cross multiply
1,272,771.44x = 1,756,431.20 × 699,848.56 - Step 4: Simplify right side
1,272,771.44x = 1,229,235,846,059.07 - Step 5: Solve for x
x = 1,229,235,846,059.07/1,272,771.44 - Step 6: Final answer
x = 965,794.65
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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.