Finding the Fourth Proportional to 1,263,845.07, 1,744,106.67 and 690,885.09
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Solution
The fourth proportional to 1,263,845.07, 1,744,106.67 and 690,885.09 is: 953,421.68
Step by Step Solution
- Step 1: Write the proportion equation
1,263,845.07 : 1,744,106.67 = 690,885.09 : x - Step 2: Convert to fraction form
1,263,845.07/1,744,106.67 = 690,885.09/x - Step 3: Cross multiply
1,263,845.07x = 1,744,106.67 × 690,885.09 - Step 4: Simplify right side
1,263,845.07x = 1,204,977,293,672.55 - Step 5: Solve for x
x = 1,204,977,293,672.55/1,263,845.07 - Step 6: Final answer
x = 953,421.68
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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.