Finding the Fourth Proportional to 1,127,823.44, 1,691,834.62 and 318,214.94
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Solution
The fourth proportional to 1,127,823.44, 1,691,834.62 and 318,214.94 is: 477,350.47
Step by Step Solution
- Step 1: Write the proportion equation
1,127,823.44 : 1,691,834.62 = 318,214.94 : x - Step 2: Convert to fraction form
1,127,823.44/1,691,834.62 = 318,214.94/x - Step 3: Cross multiply
1,127,823.44x = 1,691,834.62 × 318,214.94 - Step 4: Simplify right side
1,127,823.44x = 538,367,052,093.22 - Step 5: Solve for x
x = 538,367,052,093.22/1,127,823.44 - Step 6: Final answer
x = 477,350.47
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1.5x scale
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.