Finding the Fourth Proportional to 1,219,372.62, 1,682,716.50 and 675,507.48
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Solution
The fourth proportional to 1,219,372.62, 1,682,716.50 and 675,507.48 is: 932,190.51
Step by Step Solution
- Step 1: Write the proportion equation
1,219,372.62 : 1,682,716.50 = 675,507.48 : x - Step 2: Convert to fraction form
1,219,372.62/1,682,716.50 = 675,507.48/x - Step 3: Cross multiply
1,219,372.62x = 1,682,716.50 × 675,507.48 - Step 4: Simplify right side
1,219,372.62x = 1,136,687,582,469.42 - Step 5: Solve for x
x = 1,136,687,582,469.42/1,219,372.62 - Step 6: Final answer
x = 932,190.51
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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.