Finding the Fourth Proportional to 1,195,749.54, 1,793,711.79 and 485,791.02
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Solution
The fourth proportional to 1,195,749.54, 1,793,711.79 and 485,791.02 is: 728,722.07
Step by Step Solution
- Step 1: Write the proportion equation
1,195,749.54 : 1,793,711.79 = 485,791.02 : x - Step 2: Convert to fraction form
1,195,749.54/1,793,711.79 = 485,791.02/x - Step 3: Cross multiply
1,195,749.54x = 1,793,711.79 × 485,791.02 - Step 4: Simplify right side
1,195,749.54x = 871,369,080,050.13 - Step 5: Solve for x
x = 871,369,080,050.13/1,195,749.54 - Step 6: Final answer
x = 728,722.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.