Finding the Fourth Proportional to 1,229,890.96, 1,697,291.58 and 713,605.87
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Solution
The fourth proportional to 1,229,890.96, 1,697,291.58 and 713,605.87 is: 984,800.50
Step by Step Solution
- Step 1: Write the proportion equation
1,229,890.96 : 1,697,291.58 = 713,605.87 : x - Step 2: Convert to fraction form
1,229,890.96/1,697,291.58 = 713,605.87/x - Step 3: Cross multiply
1,229,890.96x = 1,697,291.58 × 713,605.87 - Step 4: Simplify right side
1,229,890.96x = 1,211,197,234,589.57 - Step 5: Solve for x
x = 1,211,197,234,589.57/1,229,890.96 - Step 6: Final answer
x = 984,800.50
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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.