Finding the Fourth Proportional to 1,223,878.28, 1,834,676.03 and 413,698.99
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Solution
The fourth proportional to 1,223,878.28, 1,834,676.03 and 413,698.99 is: 620,162.67
Step by Step Solution
- Step 1: Write the proportion equation
1,223,878.28 : 1,834,676.03 = 413,698.99 : x - Step 2: Convert to fraction form
1,223,878.28/1,834,676.03 = 413,698.99/x - Step 3: Cross multiply
1,223,878.28x = 1,834,676.03 × 413,698.99 - Step 4: Simplify right side
1,223,878.28x = 759,003,618,519.72 - Step 5: Solve for x
x = 759,003,618,519.72/1,223,878.28 - Step 6: Final answer
x = 620,162.67
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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.