Finding the Fourth Proportional to 1,224,939.73, 1,837,405.49 and 314,121.20
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Solution
The fourth proportional to 1,224,939.73, 1,837,405.49 and 314,121.20 is: 471,180.75
Step by Step Solution
- Step 1: Write the proportion equation
1,224,939.73 : 1,837,405.49 = 314,121.20 : x - Step 2: Convert to fraction form
1,224,939.73/1,837,405.49 = 314,121.20/x - Step 3: Cross multiply
1,224,939.73x = 1,837,405.49 × 314,121.20 - Step 4: Simplify right side
1,224,939.73x = 577,168,020,229.59 - Step 5: Solve for x
x = 577,168,020,229.59/1,224,939.73 - Step 6: Final answer
x = 471,180.75
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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.