Finding the Fourth Proportional to 1,199,481.12, 1,656,523.44 and 1,037,558.88
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Solution
The fourth proportional to 1,199,481.12, 1,656,523.44 and 1,037,558.88 is: 1,432,903.43
Step by Step Solution
- Step 1: Write the proportion equation
1,199,481.12 : 1,656,523.44 = 1,037,558.88 : x - Step 2: Convert to fraction form
1,199,481.12/1,656,523.44 = 1,037,558.88/x - Step 3: Cross multiply
1,199,481.12x = 1,656,523.44 × 1,037,558.88 - Step 4: Simplify right side
1,199,481.12x = 1,718,740,605,100.15 - Step 5: Solve for x
x = 1,718,740,605,100.15/1,199,481.12 - Step 6: Final answer
x = 1,432,903.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.