Finding the Fourth Proportional to 1,386,295.50, 2,079,679.68 and 618,071.97
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Solution
The fourth proportional to 1,386,295.50, 2,079,679.68 and 618,071.97 is: 927,213.37
Step by Step Solution
- Step 1: Write the proportion equation
1,386,295.50 : 2,079,679.68 = 618,071.97 : x - Step 2: Convert to fraction form
1,386,295.50/2,079,679.68 = 618,071.97/x - Step 3: Cross multiply
1,386,295.50x = 2,079,679.68 × 618,071.97 - Step 4: Simplify right side
1,386,295.50x = 1,285,391,716,786.57 - Step 5: Solve for x
x = 1,285,391,716,786.57/1,386,295.50 - Step 6: Final answer
x = 927,213.37
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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.