Finding the Fourth Proportional to 1,197,923.36, 1,796,285.64 and 398,926.40
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Solution
The fourth proportional to 1,197,923.36, 1,796,285.64 and 398,926.40 is: 598,189.99
Step by Step Solution
- Step 1: Write the proportion equation
1,197,923.36 : 1,796,285.64 = 398,926.40 : x - Step 2: Convert to fraction form
1,197,923.36/1,796,285.64 = 398,926.40/x - Step 3: Cross multiply
1,197,923.36x = 1,796,285.64 × 398,926.40 - Step 4: Simplify right side
1,197,923.36x = 716,585,763,736.90 - Step 5: Solve for x
x = 716,585,763,736.90/1,197,923.36 - Step 6: Final answer
x = 598,189.99
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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.