Finding the Fourth Proportional to 1,226,645.40, 1,692,732.97 and 682,767.23
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Solution
The fourth proportional to 1,226,645.40, 1,692,732.97 and 682,767.23 is: 942,197.79
Step by Step Solution
- Step 1: Write the proportion equation
1,226,645.40 : 1,692,732.97 = 682,767.23 : x - Step 2: Convert to fraction form
1,226,645.40/1,692,732.97 = 682,767.23/x - Step 3: Cross multiply
1,226,645.40x = 1,692,732.97 × 682,767.23 - Step 4: Simplify right side
1,226,645.40x = 1,155,742,593,446.37 - Step 5: Solve for x
x = 1,155,742,593,446.37/1,226,645.40 - Step 6: Final answer
x = 942,197.79
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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.