Finding the Fourth Proportional to 1,273,349.30, 1,757,213.64 and 722,169.95
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Solution
The fourth proportional to 1,273,349.30, 1,757,213.64 and 722,169.95 is: 996,589.77
Step by Step Solution
- Step 1: Write the proportion equation
1,273,349.30 : 1,757,213.64 = 722,169.95 : x - Step 2: Convert to fraction form
1,273,349.30/1,757,213.64 = 722,169.95/x - Step 3: Cross multiply
1,273,349.30x = 1,757,213.64 × 722,169.95 - Step 4: Simplify right side
1,273,349.30x = 1,269,006,877,752.05 - Step 5: Solve for x
x = 1,269,006,877,752.05/1,273,349.30 - Step 6: Final answer
x = 996,589.77
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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.