Finding the Fourth Proportional to 1,318,208.97, 1,819,057.73 and 745,214.97
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Solution
The fourth proportional to 1,318,208.97, 1,819,057.73 and 745,214.97 is: 1,028,356.72
Step by Step Solution
- Step 1: Write the proportion equation
1,318,208.97 : 1,819,057.73 = 745,214.97 : x - Step 2: Convert to fraction form
1,318,208.97/1,819,057.73 = 745,214.97/x - Step 3: Cross multiply
1,318,208.97x = 1,819,057.73 × 745,214.97 - Step 4: Simplify right side
1,318,208.97x = 1,355,589,047,964.14 - Step 5: Solve for x
x = 1,355,589,047,964.14/1,318,208.97 - Step 6: Final answer
x = 1,028,356.72
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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.