Finding the Fourth Proportional to 1,339,682.26, 1,848,304.26 and 830,198.74
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Solution
The fourth proportional to 1,339,682.26, 1,848,304.26 and 830,198.74 is: 1,145,390.90
Step by Step Solution
- Step 1: Write the proportion equation
1,339,682.26 : 1,848,304.26 = 830,198.74 : x - Step 2: Convert to fraction form
1,339,682.26/1,848,304.26 = 830,198.74/x - Step 3: Cross multiply
1,339,682.26x = 1,848,304.26 × 830,198.74 - Step 4: Simplify right side
1,339,682.26x = 1,534,459,867,788.63 - Step 5: Solve for x
x = 1,534,459,867,788.63/1,339,682.26 - Step 6: Final answer
x = 1,145,390.90
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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.