Finding the Fourth Proportional to 994,586.40, 1,490,122.80 and 961,696.80
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Solution
The fourth proportional to 994,586.40, 1,490,122.80 and 961,696.80 is: 1,440,846.49
Step by Step Solution
- Step 1: Write the proportion equation
994,586.40 : 1,490,122.80 = 961,696.80 : x - Step 2: Convert to fraction form
994,586.40/1,490,122.80 = 961,696.80/x - Step 3: Cross multiply
994,586.40x = 1,490,122.80 × 961,696.80 - Step 4: Simplify right side
994,586.40x = 1,433,046,328,367.04 - Step 5: Solve for x
x = 1,433,046,328,367.04/994,586.40 - Step 6: Final answer
x = 1,440,846.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.