Finding the Fourth Proportional to 1,207,638.44, 1,664,698.95 and 1,023,196.28
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Solution
The fourth proportional to 1,207,638.44, 1,664,698.95 and 1,023,196.28 is: 1,410,450.11
Step by Step Solution
- Step 1: Write the proportion equation
1,207,638.44 : 1,664,698.95 = 1,023,196.28 : x - Step 2: Convert to fraction form
1,207,638.44/1,664,698.95 = 1,023,196.28/x - Step 3: Cross multiply
1,207,638.44x = 1,664,698.95 × 1,023,196.28 - Step 4: Simplify right side
1,207,638.44x = 1,703,313,764,636.41 - Step 5: Solve for x
x = 1,703,313,764,636.41/1,207,638.44 - Step 6: Final answer
x = 1,410,450.11
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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.