Finding the Fourth Proportional to 1,093,993.08, 1,640,139.74 and 708,928.49
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Solution
The fourth proportional to 1,093,993.08, 1,640,139.74 and 708,928.49 is: 1,062,841.99
Step by Step Solution
- Step 1: Write the proportion equation
1,093,993.08 : 1,640,139.74 = 708,928.49 : x - Step 2: Convert to fraction form
1,093,993.08/1,640,139.74 = 708,928.49/x - Step 3: Cross multiply
1,093,993.08x = 1,640,139.74 × 708,928.49 - Step 4: Simplify right side
1,093,993.08x = 1,162,741,777,521.85 - Step 5: Solve for x
x = 1,162,741,777,521.85/1,093,993.08 - Step 6: Final answer
x = 1,062,841.99
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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.