Finding the Fourth Proportional to 1,201,635.12, 1,658,243.28 and 685,375.68
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Solution
The fourth proportional to 1,201,635.12, 1,658,243.28 and 685,375.68 is: 945,810.92
Step by Step Solution
- Step 1: Write the proportion equation
1,201,635.12 : 1,658,243.28 = 685,375.68 : x - Step 2: Convert to fraction form
1,201,635.12/1,658,243.28 = 685,375.68/x - Step 3: Cross multiply
1,201,635.12x = 1,658,243.28 × 685,375.68 - Step 4: Simplify right side
1,201,635.12x = 1,136,519,615,635.43 - Step 5: Solve for x
x = 1,136,519,615,635.43/1,201,635.12 - Step 6: Final answer
x = 945,810.92
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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.