Finding the Fourth Proportional to 1,235,216.87, 1,704,210.67 and 691,266.23
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Solution
The fourth proportional to 1,235,216.87, 1,704,210.67 and 691,266.23 is: 953,729.92
Step by Step Solution
- Step 1: Write the proportion equation
1,235,216.87 : 1,704,210.67 = 691,266.23 : x - Step 2: Convert to fraction form
1,235,216.87/1,704,210.67 = 691,266.23/x - Step 3: Cross multiply
1,235,216.87x = 1,704,210.67 × 691,266.23 - Step 4: Simplify right side
1,235,216.87x = 1,178,063,284,976.67 - Step 5: Solve for x
x = 1,178,063,284,976.67/1,235,216.87 - Step 6: Final answer
x = 953,729.92
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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.