Finding the Fourth Proportional to 1,124,405.63, 1,687,162.49 and 525,408.20
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Solution
The fourth proportional to 1,124,405.63, 1,687,162.49 and 525,408.20 is: 788,371.19
Step by Step Solution
- Step 1: Write the proportion equation
1,124,405.63 : 1,687,162.49 = 525,408.20 : x - Step 2: Convert to fraction form
1,124,405.63/1,687,162.49 = 525,408.20/x - Step 3: Cross multiply
1,124,405.63x = 1,687,162.49 × 525,408.20 - Step 4: Simplify right side
1,124,405.63x = 886,449,004,351.38 - Step 5: Solve for x
x = 886,449,004,351.38/1,124,405.63 - Step 6: Final answer
x = 788,371.19
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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.