Finding the Fourth Proportional to 1,248,308.70, 1,723,163.67 and 796,263.90
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Solution
The fourth proportional to 1,248,308.70, 1,723,163.67 and 796,263.90 is: 1,099,161.63
Step by Step Solution
- Step 1: Write the proportion equation
1,248,308.70 : 1,723,163.67 = 796,263.90 : x - Step 2: Convert to fraction form
1,248,308.70/1,723,163.67 = 796,263.90/x - Step 3: Cross multiply
1,248,308.70x = 1,723,163.67 × 796,263.90 - Step 4: Simplify right side
1,248,308.70x = 1,372,093,024,212.51 - Step 5: Solve for x
x = 1,372,093,024,212.51/1,248,308.70 - Step 6: Final answer
x = 1,099,161.63
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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.