Finding the Fourth Proportional to 1,263,858.75, 1,744,125.21 and 690,903.09
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Solution
The fourth proportional to 1,263,858.75, 1,744,125.21 and 690,903.09 is: 953,446.34
Step by Step Solution
- Step 1: Write the proportion equation
1,263,858.75 : 1,744,125.21 = 690,903.09 : x - Step 2: Convert to fraction form
1,263,858.75/1,744,125.21 = 690,903.09/x - Step 3: Cross multiply
1,263,858.75x = 1,744,125.21 × 690,903.09 - Step 4: Simplify right side
1,263,858.75x = 1,205,021,496,935.90 - Step 5: Solve for x
x = 1,205,021,496,935.90/1,263,858.75 - Step 6: Final answer
x = 953,446.34
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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.