Finding the Fourth Proportional to 1,325,289.66, 1,828,851.73 and 809,905.80
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Solution
The fourth proportional to 1,325,289.66, 1,828,851.73 and 809,905.80 is: 1,117,640.66
Step by Step Solution
- Step 1: Write the proportion equation
1,325,289.66 : 1,828,851.73 = 809,905.80 : x - Step 2: Convert to fraction form
1,325,289.66/1,828,851.73 = 809,905.80/x - Step 3: Cross multiply
1,325,289.66x = 1,828,851.73 × 809,905.80 - Step 4: Simplify right side
1,325,289.66x = 1,481,197,614,584.08 - Step 5: Solve for x
x = 1,481,197,614,584.08/1,325,289.66 - Step 6: Final answer
x = 1,117,640.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.