Finding the Fourth Proportional to 1,122,524.46, 1,683,953.35 and 412,497.09
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Solution
The fourth proportional to 1,122,524.46, 1,683,953.35 and 412,497.09 is: 618,806.88
Step by Step Solution
- Step 1: Write the proportion equation
1,122,524.46 : 1,683,953.35 = 412,497.09 : x - Step 2: Convert to fraction form
1,122,524.46/1,683,953.35 = 412,497.09/x - Step 3: Cross multiply
1,122,524.46x = 1,683,953.35 × 412,497.09 - Step 4: Simplify right side
1,122,524.46x = 694,625,855,539.51 - Step 5: Solve for x
x = 694,625,855,539.51/1,122,524.46 - Step 6: Final answer
x = 618,806.88
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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.