Finding the Fourth Proportional to 1,392,423.62, 2,089,449.62 and 582,740.40
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Solution
The fourth proportional to 1,392,423.62, 2,089,449.62 and 582,740.40 is: 874,451.35
Step by Step Solution
- Step 1: Write the proportion equation
1,392,423.62 : 2,089,449.62 = 582,740.40 : x - Step 2: Convert to fraction form
1,392,423.62/2,089,449.62 = 582,740.40/x - Step 3: Cross multiply
1,392,423.62x = 2,089,449.62 × 582,740.40 - Step 4: Simplify right side
1,392,423.62x = 1,217,606,711,847.00 - Step 5: Solve for x
x = 1,217,606,711,847.00/1,392,423.62 - Step 6: Final answer
x = 874,451.35
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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.