Finding the Fourth Proportional to 1,072,228.59, 1,615,873.32 and 965,745.99
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Solution
The fourth proportional to 1,072,228.59, 1,615,873.32 and 965,745.99 is: 1,455,401.58
Step by Step Solution
- Step 1: Write the proportion equation
1,072,228.59 : 1,615,873.32 = 965,745.99 : x - Step 2: Convert to fraction form
1,072,228.59/1,615,873.32 = 965,745.99/x - Step 3: Cross multiply
1,072,228.59x = 1,615,873.32 × 965,745.99 - Step 4: Simplify right side
1,072,228.59x = 1,560,523,179,137.99 - Step 5: Solve for x
x = 1,560,523,179,137.99/1,072,228.59 - Step 6: Final answer
x = 1,455,401.58
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.