Finding the Fourth Proportional to 1,228,706.11, 1,843,058.19 and 330,147.84
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Solution
The fourth proportional to 1,228,706.11, 1,843,058.19 and 330,147.84 is: 495,221.50
Step by Step Solution
- Step 1: Write the proportion equation
1,228,706.11 : 1,843,058.19 = 330,147.84 : x - Step 2: Convert to fraction form
1,228,706.11/1,843,058.19 = 330,147.84/x - Step 3: Cross multiply
1,228,706.11x = 1,843,058.19 × 330,147.84 - Step 4: Simplify right side
1,228,706.11x = 608,481,680,422.81 - Step 5: Solve for x
x = 608,481,680,422.81/1,228,706.11 - Step 6: Final answer
x = 495,221.50
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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.