Finding the Fourth Proportional to 1,243,764.72, 1,716,375.21 and 699,900.21
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Solution
The fourth proportional to 1,243,764.72, 1,716,375.21 and 699,900.21 is: 965,850.98
Step by Step Solution
- Step 1: Write the proportion equation
1,243,764.72 : 1,716,375.21 = 699,900.21 : x - Step 2: Convert to fraction form
1,243,764.72/1,716,375.21 = 699,900.21/x - Step 3: Cross multiply
1,243,764.72x = 1,716,375.21 × 699,900.21 - Step 4: Simplify right side
1,243,764.72x = 1,201,291,369,917.79 - Step 5: Solve for x
x = 1,201,291,369,917.79/1,243,764.72 - Step 6: Final answer
x = 965,850.98
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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.