Finding the Fourth Proportional to 1,153,156.21, 1,729,740.49 and 756,310.01
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Solution
The fourth proportional to 1,153,156.21, 1,729,740.49 and 756,310.01 is: 1,134,469.06
Step by Step Solution
- Step 1: Write the proportion equation
1,153,156.21 : 1,729,740.49 = 756,310.01 : x - Step 2: Convert to fraction form
1,153,156.21/1,729,740.49 = 756,310.01/x - Step 3: Cross multiply
1,153,156.21x = 1,729,740.49 × 756,310.01 - Step 4: Simplify right side
1,153,156.21x = 1,308,220,036,749.83 - Step 5: Solve for x
x = 1,308,220,036,749.83/1,153,156.21 - Step 6: Final answer
x = 1,134,469.06
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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.