Finding the Fourth Proportional to 1,273,942.44, 1,757,839.68 and 729,973.62
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Solution
The fourth proportional to 1,273,942.44, 1,757,839.68 and 729,973.62 is: 1,007,248.49
Step by Step Solution
- Step 1: Write the proportion equation
1,273,942.44 : 1,757,839.68 = 729,973.62 : x - Step 2: Convert to fraction form
1,273,942.44/1,757,839.68 = 729,973.62/x - Step 3: Cross multiply
1,273,942.44x = 1,757,839.68 × 729,973.62 - Step 4: Simplify right side
1,273,942.44x = 1,283,176,594,589.24 - Step 5: Solve for x
x = 1,283,176,594,589.24/1,273,942.44 - Step 6: Final answer
x = 1,007,248.49
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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.