Finding the Fourth Proportional to 1,247,034.66, 1,720,907.09 and 674,074.84
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Solution
The fourth proportional to 1,247,034.66, 1,720,907.09 and 674,074.84 is: 930,222.88
Step by Step Solution
- Step 1: Write the proportion equation
1,247,034.66 : 1,720,907.09 = 674,074.84 : x - Step 2: Convert to fraction form
1,247,034.66/1,720,907.09 = 674,074.84/x - Step 3: Cross multiply
1,247,034.66x = 1,720,907.09 × 674,074.84 - Step 4: Simplify right side
1,247,034.66x = 1,160,020,171,346.62 - Step 5: Solve for x
x = 1,160,020,171,346.62/1,247,034.66 - Step 6: Final answer
x = 930,222.88
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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.