Finding the Fourth Proportional to 1,072,230.09, 1,615,875.59 and 965,747.49
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Solution
The fourth proportional to 1,072,230.09, 1,615,875.59 and 965,747.49 is: 1,455,403.84
Step by Step Solution
- Step 1: Write the proportion equation
1,072,230.09 : 1,615,875.59 = 965,747.49 : x - Step 2: Convert to fraction form
1,072,230.09/1,615,875.59 = 965,747.49/x - Step 3: Cross multiply
1,072,230.09x = 1,615,875.59 × 965,747.49 - Step 4: Simplify right side
1,072,230.09x = 1,560,527,790,366.03 - Step 5: Solve for x
x = 1,560,527,790,366.03/1,072,230.09 - Step 6: Final answer
x = 1,455,403.84
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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.