Finding the Fourth Proportional to 1,339,299.32, 1,848,246.63 and 727,464.05
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Solution
The fourth proportional to 1,339,299.32, 1,848,246.63 and 727,464.05 is: 1,003,907.76
Step by Step Solution
- Step 1: Write the proportion equation
1,339,299.32 : 1,848,246.63 = 727,464.05 : x - Step 2: Convert to fraction form
1,339,299.32/1,848,246.63 = 727,464.05/x - Step 3: Cross multiply
1,339,299.32x = 1,848,246.63 × 727,464.05 - Step 4: Simplify right side
1,339,299.32x = 1,344,532,969,617.42 - Step 5: Solve for x
x = 1,344,532,969,617.42/1,339,299.32 - Step 6: Final answer
x = 1,003,907.76
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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.