Finding the Fourth Proportional to 1,295,355.92, 1,786,981.08 and 842,481.68
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Solution
The fourth proportional to 1,295,355.92, 1,786,981.08 and 842,481.68 is: 1,162,227.92
Step by Step Solution
- Step 1: Write the proportion equation
1,295,355.92 : 1,786,981.08 = 842,481.68 : x - Step 2: Convert to fraction form
1,295,355.92/1,786,981.08 = 842,481.68/x - Step 3: Cross multiply
1,295,355.92x = 1,786,981.08 × 842,481.68 - Step 4: Simplify right side
1,295,355.92x = 1,505,498,822,406.61 - Step 5: Solve for x
x = 1,505,498,822,406.61/1,295,355.92 - Step 6: Final answer
x = 1,162,227.92
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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.