Finding the Fourth Proportional to 1,259,715.58, 1,889,899.14 and 361,223.08
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Solution
The fourth proportional to 1,259,715.58, 1,889,899.14 and 361,223.08 is: 541,928.03
Step by Step Solution
- Step 1: Write the proportion equation
1,259,715.58 : 1,889,899.14 = 361,223.08 : x - Step 2: Convert to fraction form
1,259,715.58/1,889,899.14 = 361,223.08/x - Step 3: Cross multiply
1,259,715.58x = 1,889,899.14 × 361,223.08 - Step 4: Simplify right side
1,259,715.58x = 682,675,176,984.54 - Step 5: Solve for x
x = 682,675,176,984.54/1,259,715.58 - Step 6: Final answer
x = 541,928.03
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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.