Finding the Fourth Proportional to 1,168,700.26, 1,612,348.25 and 678,586.12
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Solution
The fourth proportional to 1,168,700.26, 1,612,348.25 and 678,586.12 is: 936,182.85
Step by Step Solution
- Step 1: Write the proportion equation
1,168,700.26 : 1,612,348.25 = 678,586.12 : x - Step 2: Convert to fraction form
1,168,700.26/1,612,348.25 = 678,586.12/x - Step 3: Cross multiply
1,168,700.26x = 1,612,348.25 × 678,586.12 - Step 4: Simplify right side
1,168,700.26x = 1,094,117,143,056.29 - Step 5: Solve for x
x = 1,094,117,143,056.29/1,168,700.26 - Step 6: Final answer
x = 936,182.85
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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.