Finding the Fourth Proportional to 1,349,834.91, 2,025,747.05 and 639,860.19
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Solution
The fourth proportional to 1,349,834.91, 2,025,747.05 and 639,860.19 is: 960,261.79
Step by Step Solution
- Step 1: Write the proportion equation
1,349,834.91 : 2,025,747.05 = 639,860.19 : x - Step 2: Convert to fraction form
1,349,834.91/2,025,747.05 = 639,860.19/x - Step 3: Cross multiply
1,349,834.91x = 2,025,747.05 × 639,860.19 - Step 4: Simplify right side
1,349,834.91x = 1,296,194,889,105.64 - Step 5: Solve for x
x = 1,296,194,889,105.64/1,349,834.91 - Step 6: Final answer
x = 960,261.79
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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.