Finding the Fourth Proportional to 1,126,418.80, 1,686,517.80 and 877,586.80
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Solution
The fourth proportional to 1,126,418.80, 1,686,517.80 and 877,586.80 is: 1,313,956.90
Step by Step Solution
- Step 1: Write the proportion equation
1,126,418.80 : 1,686,517.80 = 877,586.80 : x - Step 2: Convert to fraction form
1,126,418.80/1,686,517.80 = 877,586.80/x - Step 3: Cross multiply
1,126,418.80x = 1,686,517.80 × 877,586.80 - Step 4: Simplify right side
1,126,418.80x = 1,480,065,759,245.04 - Step 5: Solve for x
x = 1,480,065,759,245.04/1,126,418.80 - Step 6: Final answer
x = 1,313,956.90
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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.