Finding the Fourth Proportional to 1,340,757.76, 1,850,282.19 and 728,951.68
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Solution
The fourth proportional to 1,340,757.76, 1,850,282.19 and 728,951.68 is: 1,005,973.15
Step by Step Solution
- Step 1: Write the proportion equation
1,340,757.76 : 1,850,282.19 = 728,951.68 : x - Step 2: Convert to fraction form
1,340,757.76/1,850,282.19 = 728,951.68/x - Step 3: Cross multiply
1,340,757.76x = 1,850,282.19 × 728,951.68 - Step 4: Simplify right side
1,340,757.76x = 1,348,766,310,874.58 - Step 5: Solve for x
x = 1,348,766,310,874.58/1,340,757.76 - Step 6: Final answer
x = 1,005,973.15
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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.