Finding the Fourth Proportional to 1,228,879.60, 1,844,485.80 and 1,051,586.80
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Solution
The fourth proportional to 1,228,879.60, 1,844,485.80 and 1,051,586.80 is: 1,578,378.32
Step by Step Solution
- Step 1: Write the proportion equation
1,228,879.60 : 1,844,485.80 = 1,051,586.80 : x - Step 2: Convert to fraction form
1,228,879.60/1,844,485.80 = 1,051,586.80/x - Step 3: Cross multiply
1,228,879.60x = 1,844,485.80 × 1,051,586.80 - Step 4: Simplify right side
1,228,879.60x = 1,939,636,920,067.44 - Step 5: Solve for x
x = 1,939,636,920,067.44/1,228,879.60 - Step 6: Final answer
x = 1,578,378.32
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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.