Finding the Fourth Proportional to 1,162,708.56, 1,603,538.64 and 754,408.08
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Solution
The fourth proportional to 1,162,708.56, 1,603,538.64 and 754,408.08 is: 1,040,434.85
Step by Step Solution
- Step 1: Write the proportion equation
1,162,708.56 : 1,603,538.64 = 754,408.08 : x - Step 2: Convert to fraction form
1,162,708.56/1,603,538.64 = 754,408.08/x - Step 3: Cross multiply
1,162,708.56x = 1,603,538.64 × 754,408.08 - Step 4: Simplify right side
1,162,708.56x = 1,209,722,506,608.21 - Step 5: Solve for x
x = 1,209,722,506,608.21/1,162,708.56 - Step 6: Final answer
x = 1,040,434.85
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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.