Finding the Fourth Proportional to 1,394,190.49, 1,923,977.46 and 782,341.84
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Solution
The fourth proportional to 1,394,190.49, 1,923,977.46 and 782,341.84 is: 1,079,628.70
Step by Step Solution
- Step 1: Write the proportion equation
1,394,190.49 : 1,923,977.46 = 782,341.84 : x - Step 2: Convert to fraction form
1,394,190.49/1,923,977.46 = 782,341.84/x - Step 3: Cross multiply
1,394,190.49x = 1,923,977.46 × 782,341.84 - Step 4: Simplify right side
1,394,190.49x = 1,505,208,066,174.93 - Step 5: Solve for x
x = 1,505,208,066,174.93/1,394,190.49 - Step 6: Final answer
x = 1,079,628.70
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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.