Finding the Fourth Proportional to 1,286,071.36, 1,928,712.90 and 889,262.08
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Solution
The fourth proportional to 1,286,071.36, 1,928,712.90 and 889,262.08 is: 1,333,620.59
Step by Step Solution
- Step 1: Write the proportion equation
1,286,071.36 : 1,928,712.90 = 889,262.08 : x - Step 2: Convert to fraction form
1,286,071.36/1,928,712.90 = 889,262.08/x - Step 3: Cross multiply
1,286,071.36x = 1,928,712.90 × 889,262.08 - Step 4: Simplify right side
1,286,071.36x = 1,715,131,245,176.83 - Step 5: Solve for x
x = 1,715,131,245,176.83/1,286,071.36 - Step 6: Final answer
x = 1,333,620.59
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.