Finding the Fourth Proportional to 1,067,107.28, 1,600,663.66 and 436,021.09
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Solution
The fourth proportional to 1,067,107.28, 1,600,663.66 and 436,021.09 is: 654,032.75
Step by Step Solution
- Step 1: Write the proportion equation
1,067,107.28 : 1,600,663.66 = 436,021.09 : x - Step 2: Convert to fraction form
1,067,107.28/1,600,663.66 = 436,021.09/x - Step 3: Cross multiply
1,067,107.28x = 1,600,663.66 × 436,021.09 - Step 4: Simplify right side
1,067,107.28x = 697,923,111,576.48 - Step 5: Solve for x
x = 697,923,111,576.48/1,067,107.28 - Step 6: Final answer
x = 654,032.75
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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.