Finding the Fourth Proportional to 1,434,665.04, 1,979,761.95 and 822,786.18
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Solution
The fourth proportional to 1,434,665.04, 1,979,761.95 and 822,786.18 is: 1,135,401.45
Step by Step Solution
- Step 1: Write the proportion equation
1,434,665.04 : 1,979,761.95 = 822,786.18 : x - Step 2: Convert to fraction form
1,434,665.04/1,979,761.95 = 822,786.18/x - Step 3: Cross multiply
1,434,665.04x = 1,979,761.95 × 822,786.18 - Step 4: Simplify right side
1,434,665.04x = 1,628,920,772,149.85 - Step 5: Solve for x
x = 1,628,920,772,149.85/1,434,665.04 - Step 6: Final answer
x = 1,135,401.45
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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.