Finding the Fourth Proportional to 1,413,707.28, 2,120,758.04 and 454,191.99
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Solution
The fourth proportional to 1,413,707.28, 2,120,758.04 and 454,191.99 is: 681,351.32
Step by Step Solution
- Step 1: Write the proportion equation
1,413,707.28 : 2,120,758.04 = 454,191.99 : x - Step 2: Convert to fraction form
1,413,707.28/2,120,758.04 = 454,191.99/x - Step 3: Cross multiply
1,413,707.28x = 2,120,758.04 × 454,191.99 - Step 4: Simplify right side
1,413,707.28x = 963,231,314,496.10 - Step 5: Solve for x
x = 963,231,314,496.10/1,413,707.28 - Step 6: Final answer
x = 681,351.32
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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.