Finding the Fourth Proportional to 1,206,615.55, 1,665,245.09 and 690,266.92
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Solution
The fourth proportional to 1,206,615.55, 1,665,245.09 and 690,266.92 is: 952,634.50
Step by Step Solution
- Step 1: Write the proportion equation
1,206,615.55 : 1,665,245.09 = 690,266.92 : x - Step 2: Convert to fraction form
1,206,615.55/1,665,245.09 = 690,266.92/x - Step 3: Cross multiply
1,206,615.55x = 1,665,245.09 × 690,266.92 - Step 4: Simplify right side
1,206,615.55x = 1,149,463,596,881.98 - Step 5: Solve for x
x = 1,149,463,596,881.98/1,206,615.55 - Step 6: Final answer
x = 952,634.50
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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.