Finding the Fourth Proportional to 1,197,921.36, 1,796,282.64 and 398,924.40
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Solution
The fourth proportional to 1,197,921.36, 1,796,282.64 and 398,924.40 is: 598,186.99
Step by Step Solution
- Step 1: Write the proportion equation
1,197,921.36 : 1,796,282.64 = 398,924.40 : x - Step 2: Convert to fraction form
1,197,921.36/1,796,282.64 = 398,924.40/x - Step 3: Cross multiply
1,197,921.36x = 1,796,282.64 × 398,924.40 - Step 4: Simplify right side
1,197,921.36x = 716,580,974,392.42 - Step 5: Solve for x
x = 716,580,974,392.42/1,197,921.36 - Step 6: Final answer
x = 598,186.99
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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.