Finding the Fourth Proportional to 1,212,315.38, 1,819,182 and 673,025.75
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Solution
The fourth proportional to 1,212,315.38, 1,819,182 and 673,025.75 is: 1,009,932.19
Step by Step Solution
- Step 1: Write the proportion equation
1,212,315.38 : 1,819,182 = 673,025.75 : x - Step 2: Convert to fraction form
1,212,315.38/1,819,182 = 673,025.75/x - Step 3: Cross multiply
1,212,315.38x = 1,819,182 × 673,025.75 - Step 4: Simplify right side
1,212,315.38x = 1,224,356,329,936.50 - Step 5: Solve for x
x = 1,224,356,329,936.50/1,212,315.38 - Step 6: Final answer
x = 1,009,932.19
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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.