Finding the Fourth Proportional to 1,072,408.99, 1,608,612.19 and 273,690.62
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Solution
The fourth proportional to 1,072,408.99, 1,608,612.19 and 273,690.62 is: 410,535.59
Step by Step Solution
- Step 1: Write the proportion equation
1,072,408.99 : 1,608,612.19 = 273,690.62 : x - Step 2: Convert to fraction form
1,072,408.99/1,608,612.19 = 273,690.62/x - Step 3: Cross multiply
1,072,408.99x = 1,608,612.19 × 273,690.62 - Step 4: Simplify right side
1,072,408.99x = 440,262,058,209.14 - Step 5: Solve for x
x = 440,262,058,209.14/1,072,408.99 - Step 6: Final answer
x = 410,535.59
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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.