Finding the Fourth Proportional to 1,036,999.36, 1,430,247.88 and 674,538.97
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Solution
The fourth proportional to 1,036,999.36, 1,430,247.88 and 674,538.97 is: 930,336.09
Step by Step Solution
- Step 1: Write the proportion equation
1,036,999.36 : 1,430,247.88 = 674,538.97 : x - Step 2: Convert to fraction form
1,036,999.36/1,430,247.88 = 674,538.97/x - Step 3: Cross multiply
1,036,999.36x = 1,430,247.88 × 674,538.97 - Step 4: Simplify right side
1,036,999.36x = 964,757,931,819.88 - Step 5: Solve for x
x = 964,757,931,819.88/1,036,999.36 - Step 6: Final answer
x = 930,336.09
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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.