Finding the Fourth Proportional to 1,273,332.21, 1,757,163.96 and 722,149.08
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Solution
The fourth proportional to 1,273,332.21, 1,757,163.96 and 722,149.08 is: 996,546.17
Step by Step Solution
- Step 1: Write the proportion equation
1,273,332.21 : 1,757,163.96 = 722,149.08 : x - Step 2: Convert to fraction form
1,273,332.21/1,757,163.96 = 722,149.08/x - Step 3: Cross multiply
1,273,332.21x = 1,757,163.96 × 722,149.08 - Step 4: Simplify right side
1,273,332.21x = 1,268,934,337,123.16 - Step 5: Solve for x
x = 1,268,934,337,123.16/1,273,332.21 - Step 6: Final answer
x = 996,546.17
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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.