Finding the Fourth Proportional to 1,418,896.49, 1,958,118.44 and 774,358.25
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Solution
The fourth proportional to 1,418,896.49, 1,958,118.44 and 774,358.25 is: 1,068,636.91
Step by Step Solution
- Step 1: Write the proportion equation
1,418,896.49 : 1,958,118.44 = 774,358.25 : x - Step 2: Convert to fraction form
1,418,896.49/1,958,118.44 = 774,358.25/x - Step 3: Cross multiply
1,418,896.49x = 1,958,118.44 × 774,358.25 - Step 4: Simplify right side
1,418,896.49x = 1,516,285,154,828.75 - Step 5: Solve for x
x = 1,516,285,154,828.75/1,418,896.49 - Step 6: Final answer
x = 1,068,636.91
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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.