Finding the Fourth Proportional to 1,479,918.56, 2,042,287.62 and 800,855.06
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Solution
The fourth proportional to 1,479,918.56, 2,042,287.62 and 800,855.06 is: 1,105,179.99
Step by Step Solution
- Step 1: Write the proportion equation
1,479,918.56 : 2,042,287.62 = 800,855.06 : x - Step 2: Convert to fraction form
1,479,918.56/2,042,287.62 = 800,855.06/x - Step 3: Cross multiply
1,479,918.56x = 2,042,287.62 × 800,855.06 - Step 4: Simplify right side
1,479,918.56x = 1,635,576,379,558.08 - Step 5: Solve for x
x = 1,635,576,379,558.08/1,479,918.56 - Step 6: Final answer
x = 1,105,179.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.