Finding the Fourth Proportional to 1,028,698.44, 1,422,311.52 and 901,006.80
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Solution
The fourth proportional to 1,028,698.44, 1,422,311.52 and 901,006.80 is: 1,245,760.96
Step by Step Solution
- Step 1: Write the proportion equation
1,028,698.44 : 1,422,311.52 = 901,006.80 : x - Step 2: Convert to fraction form
1,028,698.44/1,422,311.52 = 901,006.80/x - Step 3: Cross multiply
1,028,698.44x = 1,422,311.52 × 901,006.80 - Step 4: Simplify right side
1,028,698.44x = 1,281,512,351,238.34 - Step 5: Solve for x
x = 1,281,512,351,238.34/1,028,698.44 - Step 6: Final answer
x = 1,245,760.96
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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.