Finding the Fourth Proportional to 1,439,179.99, 1,986,099.35 and 794,640.92
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Solution
The fourth proportional to 1,439,179.99, 1,986,099.35 and 794,640.92 is: 1,096,621.56
Step by Step Solution
- Step 1: Write the proportion equation
1,439,179.99 : 1,986,099.35 = 794,640.92 : x - Step 2: Convert to fraction form
1,439,179.99/1,986,099.35 = 794,640.92/x - Step 3: Cross multiply
1,439,179.99x = 1,986,099.35 × 794,640.92 - Step 4: Simplify right side
1,439,179.99x = 1,578,235,800,791.70 - Step 5: Solve for x
x = 1,578,235,800,791.70/1,439,179.99 - Step 6: Final answer
x = 1,096,621.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.