Finding the Fourth Proportional to 1,422,840.96, 1,963,414.08 and 778,227.84
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Solution
The fourth proportional to 1,422,840.96, 1,963,414.08 and 778,227.84 is: 1,073,896.20
Step by Step Solution
- Step 1: Write the proportion equation
1,422,840.96 : 1,963,414.08 = 778,227.84 : x - Step 2: Convert to fraction form
1,422,840.96/1,963,414.08 = 778,227.84/x - Step 3: Cross multiply
1,422,840.96x = 1,963,414.08 × 778,227.84 - Step 4: Simplify right side
1,422,840.96x = 1,527,983,498,503.99 - Step 5: Solve for x
x = 1,527,983,498,503.99/1,422,840.96 - Step 6: Final answer
x = 1,073,896.20
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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.