Finding the Fourth Proportional to 1,015,121.64, 1,522,683.58 and 305,149.62
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Solution
The fourth proportional to 1,015,121.64, 1,522,683.58 and 305,149.62 is: 457,724.77
Step by Step Solution
- Step 1: Write the proportion equation
1,015,121.64 : 1,522,683.58 = 305,149.62 : x - Step 2: Convert to fraction form
1,015,121.64/1,522,683.58 = 305,149.62/x - Step 3: Cross multiply
1,015,121.64x = 1,522,683.58 × 305,149.62 - Step 4: Simplify right side
1,015,121.64x = 464,646,315,817.24 - Step 5: Solve for x
x = 464,646,315,817.24/1,015,121.64 - Step 6: Final answer
x = 457,724.77
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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.