Finding the Fourth Proportional to 1,073,851.80, 1,609,395.30 and 823,291.80
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Solution
The fourth proportional to 1,073,851.80, 1,609,395.30 and 823,291.80 is: 1,233,877.85
Step by Step Solution
- Step 1: Write the proportion equation
1,073,851.80 : 1,609,395.30 = 823,291.80 : x - Step 2: Convert to fraction form
1,073,851.80/1,609,395.30 = 823,291.80/x - Step 3: Cross multiply
1,073,851.80x = 1,609,395.30 × 823,291.80 - Step 4: Simplify right side
1,073,851.80x = 1,325,001,953,448.54 - Step 5: Solve for x
x = 1,325,001,953,448.54/1,073,851.80 - Step 6: Final answer
x = 1,233,877.85
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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.