Finding the Fourth Proportional to 1,211,149.26, 1,814,656.50 and 855,477.18
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Solution
The fourth proportional to 1,211,149.26, 1,814,656.50 and 855,477.18 is: 1,281,755.50
Step by Step Solution
- Step 1: Write the proportion equation
1,211,149.26 : 1,814,656.50 = 855,477.18 : x - Step 2: Convert to fraction form
1,211,149.26/1,814,656.50 = 855,477.18/x - Step 3: Cross multiply
1,211,149.26x = 1,814,656.50 × 855,477.18 - Step 4: Simplify right side
1,211,149.26x = 1,552,397,225,288.67 - Step 5: Solve for x
x = 1,552,397,225,288.67/1,211,149.26 - Step 6: Final answer
x = 1,281,755.50
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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.