Finding the Fourth Proportional to 1,344,728.40, 1,855,922.80 and 885,769.44
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Solution
The fourth proportional to 1,344,728.40, 1,855,922.80 and 885,769.44 is: 1,222,491.99
Step by Step Solution
- Step 1: Write the proportion equation
1,344,728.40 : 1,855,922.80 = 885,769.44 : x - Step 2: Convert to fraction form
1,344,728.40/1,855,922.80 = 885,769.44/x - Step 3: Cross multiply
1,344,728.40x = 1,855,922.80 × 885,769.44 - Step 4: Simplify right side
1,344,728.40x = 1,643,919,699,239.23 - Step 5: Solve for x
x = 1,643,919,699,239.23/1,344,728.40 - Step 6: Final answer
x = 1,222,491.99
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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.