Finding the Fourth Proportional to 1,224,730.09, 1,836,385.86 and 414,843.08
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Solution
The fourth proportional to 1,224,730.09, 1,836,385.86 and 414,843.08 is: 622,024.37
Step by Step Solution
- Step 1: Write the proportion equation
1,224,730.09 : 1,836,385.86 = 414,843.08 : x - Step 2: Convert to fraction form
1,224,730.09/1,836,385.86 = 414,843.08/x - Step 3: Cross multiply
1,224,730.09x = 1,836,385.86 × 414,843.08 - Step 4: Simplify right side
1,224,730.09x = 761,811,958,604.58 - Step 5: Solve for x
x = 761,811,958,604.58/1,224,730.09 - Step 6: Final answer
x = 622,024.37
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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.