Finding the Fourth Proportional to 1,412,088.76, 2,117,467.86 and 512,896.42
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Solution
The fourth proportional to 1,412,088.76, 2,117,467.86 and 512,896.42 is: 769,102.99
Step by Step Solution
- Step 1: Write the proportion equation
1,412,088.76 : 2,117,467.86 = 512,896.42 : x - Step 2: Convert to fraction form
1,412,088.76/2,117,467.86 = 512,896.42/x - Step 3: Cross multiply
1,412,088.76x = 2,117,467.86 × 512,896.42 - Step 4: Simplify right side
1,412,088.76x = 1,086,041,684,859.06 - Step 5: Solve for x
x = 1,086,041,684,859.06/1,412,088.76 - Step 6: Final answer
x = 769,102.99
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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.