Finding the Fourth Proportional to 1,189,882.68, 1,784,823.84 and 348,434.16
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Solution
The fourth proportional to 1,189,882.68, 1,784,823.84 and 348,434.16 is: 522,651.19
Step by Step Solution
- Step 1: Write the proportion equation
1,189,882.68 : 1,784,823.84 = 348,434.16 : x - Step 2: Convert to fraction form
1,189,882.68/1,784,823.84 = 348,434.16/x - Step 3: Cross multiply
1,189,882.68x = 1,784,823.84 × 348,434.16 - Step 4: Simplify right side
1,189,882.68x = 621,893,595,438.37 - Step 5: Solve for x
x = 621,893,595,438.37/1,189,882.68 - Step 6: Final answer
x = 522,651.19
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.