Finding the Fourth Proportional to 1,121,761.37, 1,682,996.13 and 853,176.08
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Solution
The fourth proportional to 1,121,761.37, 1,682,996.13 and 853,176.08 is: 1,280,033.42
Step by Step Solution
- Step 1: Write the proportion equation
1,121,761.37 : 1,682,996.13 = 853,176.08 : x - Step 2: Convert to fraction form
1,121,761.37/1,682,996.13 = 853,176.08/x - Step 3: Cross multiply
1,121,761.37x = 1,682,996.13 × 853,176.08 - Step 4: Simplify right side
1,121,761.37x = 1,435,892,045,056.06 - Step 5: Solve for x
x = 1,435,892,045,056.06/1,121,761.37 - Step 6: Final answer
x = 1,280,033.42
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.