Finding the Fourth Proportional to 1,458,021.44, 2,012,070.84 and 813,441.73
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Solution
The fourth proportional to 1,458,021.44, 2,012,070.84 and 813,441.73 is: 1,122,550.29
Step by Step Solution
- Step 1: Write the proportion equation
1,458,021.44 : 2,012,070.84 = 813,441.73 : x - Step 2: Convert to fraction form
1,458,021.44/2,012,070.84 = 813,441.73/x - Step 3: Cross multiply
1,458,021.44x = 2,012,070.84 × 813,441.73 - Step 4: Simplify right side
1,458,021.44x = 1,636,702,384,972.15 - Step 5: Solve for x
x = 1,636,702,384,972.15/1,458,021.44 - Step 6: Final answer
x = 1,122,550.29
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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.