Finding the Fourth Proportional to 1,351,989.58, 1,865,745.50 and 740,140.44
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Solution
The fourth proportional to 1,351,989.58, 1,865,745.50 and 740,140.44 is: 1,021,393.73
Step by Step Solution
- Step 1: Write the proportion equation
1,351,989.58 : 1,865,745.50 = 740,140.44 : x - Step 2: Convert to fraction form
1,351,989.58/1,865,745.50 = 740,140.44/x - Step 3: Cross multiply
1,351,989.58x = 1,865,745.50 × 740,140.44 - Step 4: Simplify right side
1,351,989.58x = 1,380,913,684,600.77 - Step 5: Solve for x
x = 1,380,913,684,600.77/1,351,989.58 - Step 6: Final answer
x = 1,021,393.73
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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.