Finding the Fourth Proportional to 1,273,916.85, 1,757,804.53 and 729,947.99
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Solution
The fourth proportional to 1,273,916.85, 1,757,804.53 and 729,947.99 is: 1,007,213.21
Step by Step Solution
- Step 1: Write the proportion equation
1,273,916.85 : 1,757,804.53 = 729,947.99 : x - Step 2: Convert to fraction form
1,273,916.85/1,757,804.53 = 729,947.99/x - Step 3: Cross multiply
1,273,916.85x = 1,757,804.53 × 729,947.99 - Step 4: Simplify right side
1,273,916.85x = 1,283,105,883,486.39 - Step 5: Solve for x
x = 1,283,105,883,486.39/1,273,916.85 - Step 6: Final answer
x = 1,007,213.21
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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.