Finding the Fourth Proportional to 1,339,317.12, 1,848,252.36 and 727,464.96
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Solution
The fourth proportional to 1,339,317.12, 1,848,252.36 and 727,464.96 is: 1,003,898.78
Step by Step Solution
- Step 1: Write the proportion equation
1,339,317.12 : 1,848,252.36 = 727,464.96 : x - Step 2: Convert to fraction form
1,339,317.12/1,848,252.36 = 727,464.96/x - Step 3: Cross multiply
1,339,317.12x = 1,848,252.36 × 727,464.96 - Step 4: Simplify right side
1,339,317.12x = 1,344,538,829,137.31 - Step 5: Solve for x
x = 1,344,538,829,137.31/1,339,317.12 - Step 6: Final answer
x = 1,003,898.78
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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.