Finding the Fourth Proportional to 1,358,163.66, 1,874,320.38 and 777,481.14
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Solution
The fourth proportional to 1,358,163.66, 1,874,320.38 and 777,481.14 is: 1,072,955.19
Step by Step Solution
- Step 1: Write the proportion equation
1,358,163.66 : 1,874,320.38 = 777,481.14 : x - Step 2: Convert to fraction form
1,358,163.66/1,874,320.38 = 777,481.14/x - Step 3: Cross multiply
1,358,163.66x = 1,874,320.38 × 777,481.14 - Step 4: Simplify right side
1,358,163.66x = 1,457,248,745,767.63 - Step 5: Solve for x
x = 1,457,248,745,767.63/1,358,163.66 - Step 6: Final answer
x = 1,072,955.19
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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.