Finding the Fourth Proportional to 1,239,170.40, 1,858,801.37 and 340,682.36
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Solution
The fourth proportional to 1,239,170.40, 1,858,801.37 and 340,682.36 is: 511,036.11
Step by Step Solution
- Step 1: Write the proportion equation
1,239,170.40 : 1,858,801.37 = 340,682.36 : x - Step 2: Convert to fraction form
1,239,170.40/1,858,801.37 = 340,682.36/x - Step 3: Cross multiply
1,239,170.40x = 1,858,801.37 × 340,682.36 - Step 4: Simplify right side
1,239,170.40x = 633,260,826,505.42 - Step 5: Solve for x
x = 633,260,826,505.42/1,239,170.40 - Step 6: Final answer
x = 511,036.11
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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.