Finding the Fourth Proportional to 1,423,753.40, 2,134,390.26 and 581,768.12
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Solution
The fourth proportional to 1,423,753.40, 2,134,390.26 and 581,768.12 is: 872,145.56
Step by Step Solution
- Step 1: Write the proportion equation
1,423,753.40 : 2,134,390.26 = 581,768.12 : x - Step 2: Convert to fraction form
1,423,753.40/2,134,390.26 = 581,768.12/x - Step 3: Cross multiply
1,423,753.40x = 2,134,390.26 × 581,768.12 - Step 4: Simplify right side
1,423,753.40x = 1,241,720,208,906.51 - Step 5: Solve for x
x = 1,241,720,208,906.51/1,423,753.40 - Step 6: Final answer
x = 872,145.56
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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.