Finding the Fourth Proportional to 1,273,380.21, 1,757,227.64 and 700,420.23
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Solution
The fourth proportional to 1,273,380.21, 1,757,227.64 and 700,420.23 is: 966,559.54
Step by Step Solution
- Step 1: Write the proportion equation
1,273,380.21 : 1,757,227.64 = 700,420.23 : x - Step 2: Convert to fraction form
1,273,380.21/1,757,227.64 = 700,420.23/x - Step 3: Cross multiply
1,273,380.21x = 1,757,227.64 × 700,420.23 - Step 4: Simplify right side
1,273,380.21x = 1,230,797,784,269.06 - Step 5: Solve for x
x = 1,230,797,784,269.06/1,273,380.21 - Step 6: Final answer
x = 966,559.54
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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.