Finding the Fourth Proportional to 1,367,376.80, 1,886,972.76 and 755,571.75
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Solution
The fourth proportional to 1,367,376.80, 1,886,972.76 and 755,571.75 is: 1,042,685.02
Step by Step Solution
- Step 1: Write the proportion equation
1,367,376.80 : 1,886,972.76 = 755,571.75 : x - Step 2: Convert to fraction form
1,367,376.80/1,886,972.76 = 755,571.75/x - Step 3: Cross multiply
1,367,376.80x = 1,886,972.76 × 755,571.75 - Step 4: Simplify right side
1,367,376.80x = 1,425,743,303,399.38 - Step 5: Solve for x
x = 1,425,743,303,399.38/1,367,376.80 - Step 6: Final answer
x = 1,042,685.02
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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.