Finding the Fourth Proportional to 1,174,441.07, 1,620,701.12 and 691,037.53
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Solution
The fourth proportional to 1,174,441.07, 1,620,701.12 and 691,037.53 is: 953,615.57
Step by Step Solution
- Step 1: Write the proportion equation
1,174,441.07 : 1,620,701.12 = 691,037.53 : x - Step 2: Convert to fraction form
1,174,441.07/1,620,701.12 = 691,037.53/x - Step 3: Cross multiply
1,174,441.07x = 1,620,701.12 × 691,037.53 - Step 4: Simplify right side
1,174,441.07x = 1,119,965,296,508.87 - Step 5: Solve for x
x = 1,119,965,296,508.87/1,174,441.07 - Step 6: Final answer
x = 953,615.57
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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.