Finding the Fourth Proportional to 1,318,205.97, 1,819,053.59 and 745,211.97
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Solution
The fourth proportional to 1,318,205.97, 1,819,053.59 and 745,211.97 is: 1,028,352.58
Step by Step Solution
- Step 1: Write the proportion equation
1,318,205.97 : 1,819,053.59 = 745,211.97 : x - Step 2: Convert to fraction form
1,318,205.97/1,819,053.59 = 745,211.97/x - Step 3: Cross multiply
1,318,205.97x = 1,819,053.59 × 745,211.97 - Step 4: Simplify right side
1,318,205.97x = 1,355,580,505,613.41 - Step 5: Solve for x
x = 1,355,580,505,613.41/1,318,205.97 - Step 6: Final answer
x = 1,028,352.58
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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.