Finding the Fourth Proportional to 1,049,212.80, 1,574,596.80 and 769,276.80
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Solution
The fourth proportional to 1,049,212.80, 1,574,596.80 and 769,276.80 is: 1,154,485.33
Step by Step Solution
- Step 1: Write the proportion equation
1,049,212.80 : 1,574,596.80 = 769,276.80 : x - Step 2: Convert to fraction form
1,049,212.80/1,574,596.80 = 769,276.80/x - Step 3: Cross multiply
1,049,212.80x = 1,574,596.80 × 769,276.80 - Step 4: Simplify right side
1,049,212.80x = 1,211,300,787,594.24 - Step 5: Solve for x
x = 1,211,300,787,594.24/1,049,212.80 - Step 6: Final answer
x = 1,154,485.33
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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.