Finding the Fourth Proportional to 1,311,374.99, 1,967,173.14 and 364,745.70
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Solution
The fourth proportional to 1,311,374.99, 1,967,173.14 and 364,745.70 is: 547,149.33
Step by Step Solution
- Step 1: Write the proportion equation
1,311,374.99 : 1,967,173.14 = 364,745.70 : x - Step 2: Convert to fraction form
1,311,374.99/1,967,173.14 = 364,745.70/x - Step 3: Cross multiply
1,311,374.99x = 1,967,173.14 × 364,745.70 - Step 4: Simplify right side
1,311,374.99x = 717,517,943,970.50 - Step 5: Solve for x
x = 717,517,943,970.50/1,311,374.99 - Step 6: Final answer
x = 547,149.33
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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.