Finding the Fourth Proportional to 1,339,441.18, 1,848,442.62 and 727,605.79
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Solution
The fourth proportional to 1,339,441.18, 1,848,442.62 and 727,605.79 is: 1,004,103.48
Step by Step Solution
- Step 1: Write the proportion equation
1,339,441.18 : 1,848,442.62 = 727,605.79 : x - Step 2: Convert to fraction form
1,339,441.18/1,848,442.62 = 727,605.79/x - Step 3: Cross multiply
1,339,441.18x = 1,848,442.62 × 727,605.79 - Step 4: Simplify right side
1,339,441.18x = 1,344,937,552,794.77 - Step 5: Solve for x
x = 1,344,937,552,794.77/1,339,441.18 - Step 6: Final answer
x = 1,004,103.48
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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.