Finding the Fourth Proportional to 1,224,956.87, 1,837,680.58 and 685,979.63
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Solution
The fourth proportional to 1,224,956.87, 1,837,680.58 and 685,979.63 is: 1,029,106.79
Step by Step Solution
- Step 1: Write the proportion equation
1,224,956.87 : 1,837,680.58 = 685,979.63 : x - Step 2: Convert to fraction form
1,224,956.87/1,837,680.58 = 685,979.63/x - Step 3: Cross multiply
1,224,956.87x = 1,837,680.58 × 685,979.63 - Step 4: Simplify right side
1,224,956.87x = 1,260,611,436,302.49 - Step 5: Solve for x
x = 1,260,611,436,302.49/1,224,956.87 - Step 6: Final answer
x = 1,029,106.79
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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.