Finding the Fourth Proportional to 1,079,731.79, 1,618,352.12 and 405,383.00
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Solution
The fourth proportional to 1,079,731.79, 1,618,352.12 and 405,383.00 is: 607,606.85
Step by Step Solution
- Step 1: Write the proportion equation
1,079,731.79 : 1,618,352.12 = 405,383.00 : x - Step 2: Convert to fraction form
1,079,731.79/1,618,352.12 = 405,383.00/x - Step 3: Cross multiply
1,079,731.79x = 1,618,352.12 × 405,383.00 - Step 4: Simplify right side
1,079,731.79x = 656,052,430,383.66 - Step 5: Solve for x
x = 656,052,430,383.66/1,079,731.79 - Step 6: Final answer
x = 607,606.85
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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.