Finding the Fourth Proportional to 1,086,937.26, 1,629,783.81 and 455,318.70
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Solution
The fourth proportional to 1,086,937.26, 1,629,783.81 and 455,318.70 is: 682,717.46
Step by Step Solution
- Step 1: Write the proportion equation
1,086,937.26 : 1,629,783.81 = 455,318.70 : x - Step 2: Convert to fraction form
1,086,937.26/1,629,783.81 = 455,318.70/x - Step 3: Cross multiply
1,086,937.26x = 1,629,783.81 × 455,318.70 - Step 4: Simplify right side
1,086,937.26x = 742,071,045,650.25 - Step 5: Solve for x
x = 742,071,045,650.25/1,086,937.26 - Step 6: Final answer
x = 682,717.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.