Finding the Fourth Proportional to 1,072,585.96, 1,608,858.06 and 432,872.68
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Solution
The fourth proportional to 1,072,585.96, 1,608,858.06 and 432,872.68 is: 649,300.59
Step by Step Solution
- Step 1: Write the proportion equation
1,072,585.96 : 1,608,858.06 = 432,872.68 : x - Step 2: Convert to fraction form
1,072,585.96/1,608,858.06 = 432,872.68/x - Step 3: Cross multiply
1,072,585.96x = 1,608,858.06 × 432,872.68 - Step 4: Simplify right side
1,072,585.96x = 696,430,700,171.80 - Step 5: Solve for x
x = 696,430,700,171.80/1,072,585.96 - Step 6: Final answer
x = 649,300.59
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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.