Finding the Fourth Proportional to 1,362,879.84, 1,880,776.85 and 819,023.97
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Solution
The fourth proportional to 1,362,879.84, 1,880,776.85 and 819,023.97 is: 1,130,254.68
Step by Step Solution
- Step 1: Write the proportion equation
1,362,879.84 : 1,880,776.85 = 819,023.97 : x - Step 2: Convert to fraction form
1,362,879.84/1,880,776.85 = 819,023.97/x - Step 3: Cross multiply
1,362,879.84x = 1,880,776.85 × 819,023.97 - Step 4: Simplify right side
1,362,879.84x = 1,540,401,322,371.09 - Step 5: Solve for x
x = 1,540,401,322,371.09/1,362,879.84 - Step 6: Final answer
x = 1,130,254.68
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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.