Finding the Fourth Proportional to 1,295,357.92, 1,786,983.84 and 842,483.68
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Solution
The fourth proportional to 1,295,357.92, 1,786,983.84 and 842,483.68 is: 1,162,230.68
Step by Step Solution
- Step 1: Write the proportion equation
1,295,357.92 : 1,786,983.84 = 842,483.68 : x - Step 2: Convert to fraction form
1,295,357.92/1,786,983.84 = 842,483.68/x - Step 3: Cross multiply
1,295,357.92x = 1,786,983.84 × 842,483.68 - Step 4: Simplify right side
1,295,357.92x = 1,505,504,721,623.73 - Step 5: Solve for x
x = 1,505,504,721,623.73/1,295,357.92 - Step 6: Final answer
x = 1,162,230.68
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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.