Finding the Fourth Proportional to 1,372,279.44, 2,057,585.66 and 613,979.70
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Solution
The fourth proportional to 1,372,279.44, 2,057,585.66 and 613,979.70 is: 920,596.63
Step by Step Solution
- Step 1: Write the proportion equation
1,372,279.44 : 2,057,585.66 = 613,979.70 : x - Step 2: Convert to fraction form
1,372,279.44/2,057,585.66 = 613,979.70/x - Step 3: Cross multiply
1,372,279.44x = 2,057,585.66 × 613,979.70 - Step 4: Simplify right side
1,372,279.44x = 1,263,315,826,251.10 - Step 5: Solve for x
x = 1,263,315,826,251.10/1,372,279.44 - Step 6: Final answer
x = 920,596.63
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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.