Finding the Fourth Proportional to 1,278,730.96, 1,764,523.08 and 705,734.12
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Solution
The fourth proportional to 1,278,730.96, 1,764,523.08 and 705,734.12 is: 973,843.74
Step by Step Solution
- Step 1: Write the proportion equation
1,278,730.96 : 1,764,523.08 = 705,734.12 : x - Step 2: Convert to fraction form
1,278,730.96/1,764,523.08 = 705,734.12/x - Step 3: Cross multiply
1,278,730.96x = 1,764,523.08 × 705,734.12 - Step 4: Simplify right side
1,278,730.96x = 1,245,284,143,083.49 - Step 5: Solve for x
x = 1,245,284,143,083.49/1,278,730.96 - Step 6: Final answer
x = 973,843.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.