Finding the Fourth Proportional to 1,221,249.16, 1,685,525.67 and 677,560.06
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Solution
The fourth proportional to 1,221,249.16, 1,685,525.67 and 677,560.06 is: 935,144.86
Step by Step Solution
- Step 1: Write the proportion equation
1,221,249.16 : 1,685,525.67 = 677,560.06 : x - Step 2: Convert to fraction form
1,221,249.16/1,685,525.67 = 677,560.06/x - Step 3: Cross multiply
1,221,249.16x = 1,685,525.67 × 677,560.06 - Step 4: Simplify right side
1,221,249.16x = 1,142,044,874,096.74 - Step 5: Solve for x
x = 1,142,044,874,096.74/1,221,249.16 - Step 6: Final answer
x = 935,144.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.