Finding the Fourth Proportional to 1,110,139.29, 1,532,029.37 and 680,336.41
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Solution
The fourth proportional to 1,110,139.29, 1,532,029.37 and 680,336.41 is: 938,887.01
Step by Step Solution
- Step 1: Write the proportion equation
1,110,139.29 : 1,532,029.37 = 680,336.41 : x - Step 2: Convert to fraction form
1,110,139.29/1,532,029.37 = 680,336.41/x - Step 3: Cross multiply
1,110,139.29x = 1,532,029.37 × 680,336.41 - Step 4: Simplify right side
1,110,139.29x = 1,042,295,361,600.36 - Step 5: Solve for x
x = 1,042,295,361,600.36/1,110,139.29 - Step 6: Final answer
x = 938,887.01
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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.