Finding the Fourth Proportional to 1,256,974.40, 1,734,660.84 and 684,050.88
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Solution
The fourth proportional to 1,256,974.40, 1,734,660.84 and 684,050.88 is: 944,009.90
Step by Step Solution
- Step 1: Write the proportion equation
1,256,974.40 : 1,734,660.84 = 684,050.88 : x - Step 2: Convert to fraction form
1,256,974.40/1,734,660.84 = 684,050.88/x - Step 3: Cross multiply
1,256,974.40x = 1,734,660.84 × 684,050.88 - Step 4: Simplify right side
1,256,974.40x = 1,186,596,274,103.54 - Step 5: Solve for x
x = 1,186,596,274,103.54/1,256,974.40 - Step 6: Final answer
x = 944,009.90
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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.