Finding the Fourth Proportional to 1,367,220.44, 2,050,835.70 and 420,584.60
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Solution
The fourth proportional to 1,367,220.44, 2,050,835.70 and 420,584.60 is: 630,878.45
Step by Step Solution
- Step 1: Write the proportion equation
1,367,220.44 : 2,050,835.70 = 420,584.60 : x - Step 2: Convert to fraction form
1,367,220.44/2,050,835.70 = 420,584.60/x - Step 3: Cross multiply
1,367,220.44x = 2,050,835.70 × 420,584.60 - Step 4: Simplify right side
1,367,220.44x = 862,549,912,550.22 - Step 5: Solve for x
x = 862,549,912,550.22/1,367,220.44 - Step 6: Final answer
x = 630,878.45
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1.5x scale
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.