Finding the Fourth Proportional to 1,287,163.00, 1,930,826.51 and 434,320.48
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Solution
The fourth proportional to 1,287,163.00, 1,930,826.51 and 434,320.48 is: 651,508.39
Step by Step Solution
- Step 1: Write the proportion equation
1,287,163.00 : 1,930,826.51 = 434,320.48 : x - Step 2: Convert to fraction form
1,287,163.00/1,930,826.51 = 434,320.48/x - Step 3: Cross multiply
1,287,163.00x = 1,930,826.51 × 434,320.48 - Step 4: Simplify right side
1,287,163.00x = 838,597,484,794.19 - Step 5: Solve for x
x = 838,597,484,794.19/1,287,163.00 - Step 6: Final answer
x = 651,508.39
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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.