Finding the Fourth Proportional to 1,393,471.76, 2,089,828.17 and 382,353.98
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Solution
The fourth proportional to 1,393,471.76, 2,089,828.17 and 382,353.98 is: 573,426.84
Step by Step Solution
- Step 1: Write the proportion equation
1,393,471.76 : 2,089,828.17 = 382,353.98 : x - Step 2: Convert to fraction form
1,393,471.76/2,089,828.17 = 382,353.98/x - Step 3: Cross multiply
1,393,471.76x = 2,089,828.17 × 382,353.98 - Step 4: Simplify right side
1,393,471.76x = 799,054,107,866.48 - Step 5: Solve for x
x = 799,054,107,866.48/1,393,471.76 - Step 6: Final answer
x = 573,426.84
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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.