Finding the Fourth Proportional to 1,135,163.52, 1,567,166.40 and 753,711.84
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Solution
The fourth proportional to 1,135,163.52, 1,567,166.40 and 753,711.84 is: 1,040,547.77
Step by Step Solution
- Step 1: Write the proportion equation
1,135,163.52 : 1,567,166.40 = 753,711.84 : x - Step 2: Convert to fraction form
1,135,163.52/1,567,166.40 = 753,711.84/x - Step 3: Cross multiply
1,135,163.52x = 1,567,166.40 × 753,711.84 - Step 4: Simplify right side
1,135,163.52x = 1,181,191,870,930.18 - Step 5: Solve for x
x = 1,181,191,870,930.18/1,135,163.52 - Step 6: Final answer
x = 1,040,547.77
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.