Finding the Fourth Proportional to 1,479,954.48, 2,042,343.54 and 800,890.98
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Solution
The fourth proportional to 1,479,954.48, 2,042,343.54 and 800,890.98 is: 1,105,232.99
Step by Step Solution
- Step 1: Write the proportion equation
1,479,954.48 : 2,042,343.54 = 800,890.98 : x - Step 2: Convert to fraction form
1,479,954.48/2,042,343.54 = 800,890.98/x - Step 3: Cross multiply
1,479,954.48x = 2,042,343.54 × 800,890.98 - Step 4: Simplify right side
1,479,954.48x = 1,635,694,519,247.27 - Step 5: Solve for x
x = 1,635,694,519,247.27/1,479,954.48 - Step 6: Final answer
x = 1,105,232.99
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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.