Finding the Fourth Proportional to 1,348,979.12, 1,861,568.70 and 737,118.44
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Solution
The fourth proportional to 1,348,979.12, 1,861,568.70 and 737,118.44 is: 1,017,211.16
Step by Step Solution
- Step 1: Write the proportion equation
1,348,979.12 : 1,861,568.70 = 737,118.44 : x - Step 2: Convert to fraction form
1,348,979.12/1,861,568.70 = 737,118.44/x - Step 3: Cross multiply
1,348,979.12x = 1,861,568.70 × 737,118.44 - Step 4: Simplify right side
1,348,979.12x = 1,372,196,616,096.83 - Step 5: Solve for x
x = 1,372,196,616,096.83/1,348,979.12 - Step 6: Final answer
x = 1,017,211.16
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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.