Finding the Fourth Proportional to 1,257,471.46, 1,735,310.84 and 684,515.94
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Solution
The fourth proportional to 1,257,471.46, 1,735,310.84 and 684,515.94 is: 944,632.12
Step by Step Solution
- Step 1: Write the proportion equation
1,257,471.46 : 1,735,310.84 = 684,515.94 : x - Step 2: Convert to fraction form
1,257,471.46/1,735,310.84 = 684,515.94/x - Step 3: Cross multiply
1,257,471.46x = 1,735,310.84 × 684,515.94 - Step 4: Simplify right side
1,257,471.46x = 1,187,847,930,834.79 - Step 5: Solve for x
x = 1,187,847,930,834.79/1,257,471.46 - Step 6: Final answer
x = 944,632.12
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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.