Finding the Fourth Proportional to 1,311,465.63, 1,967,201.95 and 364,836.45
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Solution
The fourth proportional to 1,311,465.63, 1,967,201.95 and 364,836.45 is: 547,255.65
Step by Step Solution
- Step 1: Write the proportion equation
1,311,465.63 : 1,967,201.95 = 364,836.45 : x - Step 2: Convert to fraction form
1,311,465.63/1,967,201.95 = 364,836.45/x - Step 3: Cross multiply
1,311,465.63x = 1,967,201.95 × 364,836.45 - Step 4: Simplify right side
1,311,465.63x = 717,706,975,871.08 - Step 5: Solve for x
x = 717,706,975,871.08/1,311,465.63 - Step 6: Final answer
x = 547,255.65
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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.