Finding the Fourth Proportional to 1,091,134.26, 1,636,958.97 and 343,180.26
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Solution
The fourth proportional to 1,091,134.26, 1,636,958.97 and 343,180.26 is: 514,851.40
Step by Step Solution
- Step 1: Write the proportion equation
1,091,134.26 : 1,636,958.97 = 343,180.26 : x - Step 2: Convert to fraction form
1,091,134.26/1,636,958.97 = 343,180.26/x - Step 3: Cross multiply
1,091,134.26x = 1,636,958.97 × 343,180.26 - Step 4: Simplify right side
1,091,134.26x = 561,772,004,933.93 - Step 5: Solve for x
x = 561,772,004,933.93/1,091,134.26 - Step 6: Final answer
x = 514,851.40
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1.5x scale
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.