Finding the Fourth Proportional to 1,224,768.63, 1,837,194.39 and 426,057.09
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Solution
The fourth proportional to 1,224,768.63, 1,837,194.39 and 426,057.09 is: 639,100.05
Step by Step Solution
- Step 1: Write the proportion equation
1,224,768.63 : 1,837,194.39 = 426,057.09 : x - Step 2: Convert to fraction form
1,224,768.63/1,837,194.39 = 426,057.09/x - Step 3: Cross multiply
1,224,768.63x = 1,837,194.39 × 426,057.09 - Step 4: Simplify right side
1,224,768.63x = 782,749,695,567.73 - Step 5: Solve for x
x = 782,749,695,567.73/1,224,768.63 - Step 6: Final answer
x = 639,100.05
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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.