Finding the Fourth Proportional to 1,286,012.42, 1,928,624.62 and 889,203.14
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Solution
The fourth proportional to 1,286,012.42, 1,928,624.62 and 889,203.14 is: 1,333,532.27
Step by Step Solution
- Step 1: Write the proportion equation
1,286,012.42 : 1,928,624.62 = 889,203.14 : x - Step 2: Convert to fraction form
1,286,012.42/1,928,624.62 = 889,203.14/x - Step 3: Cross multiply
1,286,012.42x = 1,928,624.62 × 889,203.14 - Step 4: Simplify right side
1,286,012.42x = 1,714,939,067,985.31 - Step 5: Solve for x
x = 1,714,939,067,985.31/1,286,012.42 - Step 6: Final answer
x = 1,333,532.27
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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.