Finding the Fourth Proportional to 1,434,660.78, 1,979,767.92 and 822,374.49
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Solution
The fourth proportional to 1,434,660.78, 1,979,767.92 and 822,374.49 is: 1,134,840.14
Step by Step Solution
- Step 1: Write the proportion equation
1,434,660.78 : 1,979,767.92 = 822,374.49 : x - Step 2: Convert to fraction form
1,434,660.78/1,979,767.92 = 822,374.49/x - Step 3: Cross multiply
1,434,660.78x = 1,979,767.92 × 822,374.49 - Step 4: Simplify right side
1,434,660.78x = 1,628,110,633,528.36 - Step 5: Solve for x
x = 1,628,110,633,528.36/1,434,660.78 - Step 6: Final answer
x = 1,134,840.14
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.