Finding the Fourth Proportional to 1,083,986.70, 1,625,323.41 and 484,836.18
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Solution
The fourth proportional to 1,083,986.70, 1,625,323.41 and 484,836.18 is: 726,960.57
Step by Step Solution
- Step 1: Write the proportion equation
1,083,986.70 : 1,625,323.41 = 484,836.18 : x - Step 2: Convert to fraction form
1,083,986.70/1,625,323.41 = 484,836.18/x - Step 3: Cross multiply
1,083,986.70x = 1,625,323.41 × 484,836.18 - Step 4: Simplify right side
1,083,986.70x = 788,015,593,368.97 - Step 5: Solve for x
x = 788,015,593,368.97/1,083,986.70 - Step 6: Final answer
x = 726,960.57
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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.