Finding the Fourth Proportional to 1,193,644.12, 1,647,224.20 and 649,810.12
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Solution
The fourth proportional to 1,193,644.12, 1,647,224.20 and 649,810.12 is: 896,735.41
Step by Step Solution
- Step 1: Write the proportion equation
1,193,644.12 : 1,647,224.20 = 649,810.12 : x - Step 2: Convert to fraction form
1,193,644.12/1,647,224.20 = 649,810.12/x - Step 3: Cross multiply
1,193,644.12x = 1,647,224.20 × 649,810.12 - Step 4: Simplify right side
1,193,644.12x = 1,070,382,955,068.90 - Step 5: Solve for x
x = 1,070,382,955,068.90/1,193,644.12 - Step 6: Final answer
x = 896,735.41
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1.5x scale
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.