Finding the Fourth Proportional to 1,286,011.42, 1,928,623.12 and 889,202.14
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Solution
The fourth proportional to 1,286,011.42, 1,928,623.12 and 889,202.14 is: 1,333,530.77
Step by Step Solution
- Step 1: Write the proportion equation
1,286,011.42 : 1,928,623.12 = 889,202.14 : x - Step 2: Convert to fraction form
1,286,011.42/1,928,623.12 = 889,202.14/x - Step 3: Cross multiply
1,286,011.42x = 1,928,623.12 × 889,202.14 - Step 4: Simplify right side
1,286,011.42x = 1,714,935,805,557.48 - Step 5: Solve for x
x = 1,714,935,805,557.48/1,286,011.42 - Step 6: Final answer
x = 1,333,530.77
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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.