Finding the Fourth Proportional to 1,302,872.36, 1,797,873.11 and 722,089.81
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Solution
The fourth proportional to 1,302,872.36, 1,797,873.11 and 722,089.81 is: 996,433.64
Step by Step Solution
- Step 1: Write the proportion equation
1,302,872.36 : 1,797,873.11 = 722,089.81 : x - Step 2: Convert to fraction form
1,302,872.36/1,797,873.11 = 722,089.81/x - Step 3: Cross multiply
1,302,872.36x = 1,797,873.11 × 722,089.81 - Step 4: Simplify right side
1,302,872.36x = 1,298,225,843,414.64 - Step 5: Solve for x
x = 1,298,225,843,414.64/1,302,872.36 - Step 6: Final answer
x = 996,433.64
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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.