Finding the Fourth Proportional to 1,208,760.68, 1,808,668.74 and 729,266.60
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Solution
The fourth proportional to 1,208,760.68, 1,808,668.74 and 729,266.60 is: 1,091,201.69
Step by Step Solution
- Step 1: Write the proportion equation
1,208,760.68 : 1,808,668.74 = 729,266.60 : x - Step 2: Convert to fraction form
1,208,760.68/1,808,668.74 = 729,266.60/x - Step 3: Cross multiply
1,208,760.68x = 1,808,668.74 × 729,266.60 - Step 4: Simplify right side
1,208,760.68x = 1,319,001,702,546.08 - Step 5: Solve for x
x = 1,319,001,702,546.08/1,208,760.68 - Step 6: Final answer
x = 1,091,201.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.