Finding the Fourth Proportional to 1,345,205.63, 2,018,767.98 and 746,645.60
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Solution
The fourth proportional to 1,345,205.63, 2,018,767.98 and 746,645.60 is: 1,120,500.98
Step by Step Solution
- Step 1: Write the proportion equation
1,345,205.63 : 2,018,767.98 = 746,645.60 : x - Step 2: Convert to fraction form
1,345,205.63/2,018,767.98 = 746,645.60/x - Step 3: Cross multiply
1,345,205.63x = 2,018,767.98 × 746,645.60 - Step 4: Simplify right side
1,345,205.63x = 1,507,304,229,687.89 - Step 5: Solve for x
x = 1,507,304,229,687.89/1,345,205.63 - Step 6: Final answer
x = 1,120,500.98
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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.