Finding the Fourth Proportional to 1,106,738.40, 1,660,107.60 and 626,473.20
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Solution
The fourth proportional to 1,106,738.40, 1,660,107.60 and 626,473.20 is: 939,709.80
Step by Step Solution
- Step 1: Write the proportion equation
1,106,738.40 : 1,660,107.60 = 626,473.20 : x - Step 2: Convert to fraction form
1,106,738.40/1,660,107.60 = 626,473.20/x - Step 3: Cross multiply
1,106,738.40x = 1,660,107.60 × 626,473.20 - Step 4: Simplify right side
1,106,738.40x = 1,040,012,920,516.32 - Step 5: Solve for x
x = 1,040,012,920,516.32/1,106,738.40 - Step 6: Final answer
x = 939,709.80
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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.