Finding the Fourth Proportional to 1,369,340.32, 2,054,197.39 and 570,434.99
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Solution
The fourth proportional to 1,369,340.32, 2,054,197.39 and 570,434.99 is: 855,730.35
Step by Step Solution
- Step 1: Write the proportion equation
1,369,340.32 : 2,054,197.39 = 570,434.99 : x - Step 2: Convert to fraction form
1,369,340.32/2,054,197.39 = 570,434.99/x - Step 3: Cross multiply
1,369,340.32x = 2,054,197.39 × 570,434.99 - Step 4: Simplify right side
1,369,340.32x = 1,171,786,067,622.68 - Step 5: Solve for x
x = 1,171,786,067,622.68/1,369,340.32 - Step 6: Final answer
x = 855,730.35
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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.