Finding the Fourth Proportional to 1,267,793.02, 1,901,689.51 and 768,107.26
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Solution
The fourth proportional to 1,267,793.02, 1,901,689.51 and 768,107.26 is: 1,152,160.88
Step by Step Solution
- Step 1: Write the proportion equation
1,267,793.02 : 1,901,689.51 = 768,107.26 : x - Step 2: Convert to fraction form
1,267,793.02/1,901,689.51 = 768,107.26/x - Step 3: Cross multiply
1,267,793.02x = 1,901,689.51 × 768,107.26 - Step 4: Simplify right side
1,267,793.02x = 1,460,701,518,896.84 - Step 5: Solve for x
x = 1,460,701,518,896.84/1,267,793.02 - Step 6: Final answer
x = 1,152,160.88
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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.