Finding the Fourth Proportional to 1,225,138.26, 1,837,794.96 and 326,575.38
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Solution
The fourth proportional to 1,225,138.26, 1,837,794.96 and 326,575.38 is: 489,886.41
Step by Step Solution
- Step 1: Write the proportion equation
1,225,138.26 : 1,837,794.96 = 326,575.38 : x - Step 2: Convert to fraction form
1,225,138.26/1,837,794.96 = 326,575.38/x - Step 3: Cross multiply
1,225,138.26x = 1,837,794.96 × 326,575.38 - Step 4: Simplify right side
1,225,138.26x = 600,178,587,424.09 - Step 5: Solve for x
x = 600,178,587,424.09/1,225,138.26 - Step 6: Final answer
x = 489,886.41
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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.