Finding the Fourth Proportional to 1,339,392.91, 1,848,396.62 and 727,580.70
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Solution
The fourth proportional to 1,339,392.91, 1,848,396.62 and 727,580.70 is: 1,004,080.05
Step by Step Solution
- Step 1: Write the proportion equation
1,339,392.91 : 1,848,396.62 = 727,580.70 : x - Step 2: Convert to fraction form
1,339,392.91/1,848,396.62 = 727,580.70/x - Step 3: Cross multiply
1,339,392.91x = 1,848,396.62 × 727,580.70 - Step 4: Simplify right side
1,339,392.91x = 1,344,857,706,657.23 - Step 5: Solve for x
x = 1,344,857,706,657.23/1,339,392.91 - Step 6: Final answer
x = 1,004,080.05
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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.