Finding the Fourth Proportional to 1,285,201.49, 1,928,072.87 and 486,465.35
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Solution
The fourth proportional to 1,285,201.49, 1,928,072.87 and 486,465.35 is: 729,800.46
Step by Step Solution
- Step 1: Write the proportion equation
1,285,201.49 : 1,928,072.87 = 486,465.35 : x - Step 2: Convert to fraction form
1,285,201.49/1,928,072.87 = 486,465.35/x - Step 3: Cross multiply
1,285,201.49x = 1,928,072.87 × 486,465.35 - Step 4: Simplify right side
1,285,201.49x = 937,940,633,281.61 - Step 5: Solve for x
x = 937,940,633,281.61/1,285,201.49 - Step 6: Final answer
x = 729,800.46
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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.