Finding the Fourth Proportional to 1,234,819.53, 1,852,229.21 and 813,996.99
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Solution
The fourth proportional to 1,234,819.53, 1,852,229.21 and 813,996.99 is: 1,220,995.43
Step by Step Solution
- Step 1: Write the proportion equation
1,234,819.53 : 1,852,229.21 = 813,996.99 : x - Step 2: Convert to fraction form
1,234,819.53/1,852,229.21 = 813,996.99/x - Step 3: Cross multiply
1,234,819.53x = 1,852,229.21 × 813,996.99 - Step 4: Simplify right side
1,234,819.53x = 1,507,708,997,660.09 - Step 5: Solve for x
x = 1,507,708,997,660.09/1,234,819.53 - Step 6: Final answer
x = 1,220,995.43
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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.