Finding the Fourth Proportional to 1,189,155.02, 1,783,792.47 and 336,287.99
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Solution
The fourth proportional to 1,189,155.02, 1,783,792.47 and 336,287.99 is: 504,448.94
Step by Step Solution
- Step 1: Write the proportion equation
1,189,155.02 : 1,783,792.47 = 336,287.99 : x - Step 2: Convert to fraction form
1,189,155.02/1,783,792.47 = 336,287.99/x - Step 3: Cross multiply
1,189,155.02x = 1,783,792.47 × 336,287.99 - Step 4: Simplify right side
1,189,155.02x = 599,867,984,313.44 - Step 5: Solve for x
x = 599,867,984,313.44/1,189,155.02 - Step 6: Final answer
x = 504,448.94
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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.