Finding the Fourth Proportional to 1,183,769.56, 1,775,706.18 and 342,406.36
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Solution
The fourth proportional to 1,183,769.56, 1,775,706.18 and 342,406.36 is: 513,624.53
Step by Step Solution
- Step 1: Write the proportion equation
1,183,769.56 : 1,775,706.18 = 342,406.36 : x - Step 2: Convert to fraction form
1,183,769.56/1,775,706.18 = 342,406.36/x - Step 3: Cross multiply
1,183,769.56x = 1,775,706.18 × 342,406.36 - Step 4: Simplify right side
1,183,769.56x = 608,013,089,523.31 - Step 5: Solve for x
x = 608,013,089,523.31/1,183,769.56 - Step 6: Final answer
x = 513,624.53
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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.