Finding the Fourth Proportional to 1,412,762.76, 1,949,598.42 and 768,183.12
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Solution
The fourth proportional to 1,412,762.76, 1,949,598.42 and 768,183.12 is: 1,060,084.99
Step by Step Solution
- Step 1: Write the proportion equation
1,412,762.76 : 1,949,598.42 = 768,183.12 : x - Step 2: Convert to fraction form
1,412,762.76/1,949,598.42 = 768,183.12/x - Step 3: Cross multiply
1,412,762.76x = 1,949,598.42 × 768,183.12 - Step 4: Simplify right side
1,412,762.76x = 1,497,648,597,022.67 - Step 5: Solve for x
x = 1,497,648,597,022.67/1,412,762.76 - Step 6: Final answer
x = 1,060,084.99
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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.