Finding the Fourth Proportional to 1,560,718.21, 2,339,481.03 and 790,789.64
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Solution
The fourth proportional to 1,560,718.21, 2,339,481.03 and 790,789.64 is: 1,185,375.65
Step by Step Solution
- Step 1: Write the proportion equation
1,560,718.21 : 2,339,481.03 = 790,789.64 : x - Step 2: Convert to fraction form
1,560,718.21/2,339,481.03 = 790,789.64/x - Step 3: Cross multiply
1,560,718.21x = 2,339,481.03 × 790,789.64 - Step 4: Simplify right side
1,560,718.21x = 1,850,037,361,500.53 - Step 5: Solve for x
x = 1,850,037,361,500.53/1,560,718.21 - Step 6: Final answer
x = 1,185,375.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.