Finding the Fourth Proportional to 1,129,339.44, 1,558,491.48 and 620,074.80
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Solution
The fourth proportional to 1,129,339.44, 1,558,491.48 and 620,074.80 is: 855,704.90
Step by Step Solution
- Step 1: Write the proportion equation
1,129,339.44 : 1,558,491.48 = 620,074.80 : x - Step 2: Convert to fraction form
1,129,339.44/1,558,491.48 = 620,074.80/x - Step 3: Cross multiply
1,129,339.44x = 1,558,491.48 × 620,074.80 - Step 4: Simplify right side
1,129,339.44x = 966,381,292,762.70 - Step 5: Solve for x
x = 966,381,292,762.70/1,129,339.44 - Step 6: Final answer
x = 855,704.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.