Finding the Fourth Proportional to 994,497.60, 1,492,912.80 and 987,499.20
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Solution
The fourth proportional to 994,497.60, 1,492,912.80 and 987,499.20 is: 1,482,406.99
Step by Step Solution
- Step 1: Write the proportion equation
994,497.60 : 1,492,912.80 = 987,499.20 : x - Step 2: Convert to fraction form
994,497.60/1,492,912.80 = 987,499.20/x - Step 3: Cross multiply
994,497.60x = 1,492,912.80 × 987,499.20 - Step 4: Simplify right side
994,497.60x = 1,474,250,195,669.76 - Step 5: Solve for x
x = 1,474,250,195,669.76/994,497.60 - Step 6: Final answer
x = 1,482,406.99
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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.