Finding the Fourth Proportional to 1,122,172.80, 1,682,311.68 and 490,606.08
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Solution
The fourth proportional to 1,122,172.80, 1,682,311.68 and 490,606.08 is: 735,494.87
Step by Step Solution
- Step 1: Write the proportion equation
1,122,172.80 : 1,682,311.68 = 490,606.08 : x - Step 2: Convert to fraction form
1,122,172.80/1,682,311.68 = 490,606.08/x - Step 3: Cross multiply
1,122,172.80x = 1,682,311.68 × 490,606.08 - Step 4: Simplify right side
1,122,172.80x = 825,352,338,663.01 - Step 5: Solve for x
x = 825,352,338,663.01/1,122,172.80 - Step 6: Final answer
x = 735,494.87
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.