Finding the Fourth Proportional to 1,485,120.79, 2,227,324.24 and 685,634.46
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Solution
The fourth proportional to 1,485,120.79, 2,227,324.24 and 685,634.46 is: 1,028,286.90
Step by Step Solution
- Step 1: Write the proportion equation
1,485,120.79 : 2,227,324.24 = 685,634.46 : x - Step 2: Convert to fraction form
1,485,120.79/2,227,324.24 = 685,634.46/x - Step 3: Cross multiply
1,485,120.79x = 2,227,324.24 × 685,634.46 - Step 4: Simplify right side
1,485,120.79x = 1,527,130,252,537.31 - Step 5: Solve for x
x = 1,527,130,252,537.31/1,485,120.79 - Step 6: Final answer
x = 1,028,286.90
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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.