Finding the Fourth Proportional to 1,229,891.21, 1,697,291.93 and 713,606.12
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Solution
The fourth proportional to 1,229,891.21, 1,697,291.93 and 713,606.12 is: 984,800.85
Step by Step Solution
- Step 1: Write the proportion equation
1,229,891.21 : 1,697,291.93 = 713,606.12 : x - Step 2: Convert to fraction form
1,229,891.21/1,697,291.93 = 713,606.12/x - Step 3: Cross multiply
1,229,891.21x = 1,697,291.93 × 713,606.12 - Step 4: Simplify right side
1,229,891.21x = 1,211,197,908,674.61 - Step 5: Solve for x
x = 1,211,197,908,674.61/1,229,891.21 - Step 6: Final answer
x = 984,800.85
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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.