Finding the Fourth Proportional to 1,072,450.99, 1,608,319.27 and 432,589.47
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Solution
The fourth proportional to 1,072,450.99, 1,608,319.27 and 432,589.47 is: 648,740.12
Step by Step Solution
- Step 1: Write the proportion equation
1,072,450.99 : 1,608,319.27 = 432,589.47 : x - Step 2: Convert to fraction form
1,072,450.99/1,608,319.27 = 432,589.47/x - Step 3: Cross multiply
1,072,450.99x = 1,608,319.27 × 432,589.47 - Step 4: Simplify right side
1,072,450.99x = 695,741,980,600.09 - Step 5: Solve for x
x = 695,741,980,600.09/1,072,450.99 - Step 6: Final answer
x = 648,740.12
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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.