Finding the Fourth Proportional to 1,256,149.25, 1,733,481.15 and 683,198.99
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Solution
The fourth proportional to 1,256,149.25, 1,733,481.15 and 683,198.99 is: 942,811.99
Step by Step Solution
- Step 1: Write the proportion equation
1,256,149.25 : 1,733,481.15 = 683,198.99 : x - Step 2: Convert to fraction form
1,256,149.25/1,733,481.15 = 683,198.99/x - Step 3: Cross multiply
1,256,149.25x = 1,733,481.15 × 683,198.99 - Step 4: Simplify right side
1,256,149.25x = 1,184,312,569,978.19 - Step 5: Solve for x
x = 1,184,312,569,978.19/1,256,149.25 - Step 6: Final answer
x = 942,811.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.