Finding the Fourth Proportional to 1,331,856.27, 1,997,163.30 and 691,988.00
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Solution
The fourth proportional to 1,331,856.27, 1,997,163.30 and 691,988.00 is: 1,037,659.29
Step by Step Solution
- Step 1: Write the proportion equation
1,331,856.27 : 1,997,163.30 = 691,988.00 : x - Step 2: Convert to fraction form
1,331,856.27/1,997,163.30 = 691,988.00/x - Step 3: Cross multiply
1,331,856.27x = 1,997,163.30 × 691,988.00 - Step 4: Simplify right side
1,331,856.27x = 1,382,013,027,654.58 - Step 5: Solve for x
x = 1,382,013,027,654.58/1,331,856.27 - Step 6: Final answer
x = 1,037,659.29
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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.