Finding the Fourth Proportional to 1,293,291.09, 1,939,937.04 and 394,737.84
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Solution
The fourth proportional to 1,293,291.09, 1,939,937.04 and 394,737.84 is: 592,106.88
Step by Step Solution
- Step 1: Write the proportion equation
1,293,291.09 : 1,939,937.04 = 394,737.84 : x - Step 2: Convert to fraction form
1,293,291.09/1,939,937.04 = 394,737.84/x - Step 3: Cross multiply
1,293,291.09x = 1,939,937.04 × 394,737.84 - Step 4: Simplify right side
1,293,291.09x = 765,766,556,905.59 - Step 5: Solve for x
x = 765,766,556,905.59/1,293,291.09 - Step 6: Final answer
x = 592,106.88
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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.