Finding the Fourth Proportional to 1,393,191.26, 2,089,789.12 and 382,327.04
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Solution
The fourth proportional to 1,393,191.26, 2,089,789.12 and 382,327.04 is: 573,491.17
Step by Step Solution
- Step 1: Write the proportion equation
1,393,191.26 : 2,089,789.12 = 382,327.04 : x - Step 2: Convert to fraction form
1,393,191.26/2,089,789.12 = 382,327.04/x - Step 3: Cross multiply
1,393,191.26x = 2,089,789.12 × 382,327.04 - Step 4: Simplify right side
1,393,191.26x = 798,982,888,473.81 - Step 5: Solve for x
x = 798,982,888,473.81/1,393,191.26 - Step 6: Final answer
x = 573,491.17
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1.5x scale
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.