Finding the Fourth Proportional to 1,281,723.24, 1,920,903 and 943,178.70
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Solution
The fourth proportional to 1,281,723.24, 1,920,903 and 943,178.70 is: 1,413,530.42
Step by Step Solution
- Step 1: Write the proportion equation
1,281,723.24 : 1,920,903 = 943,178.70 : x - Step 2: Convert to fraction form
1,281,723.24/1,920,903 = 943,178.70/x - Step 3: Cross multiply
1,281,723.24x = 1,920,903 × 943,178.70 - Step 4: Simplify right side
1,281,723.24x = 1,811,754,794,366.10 - Step 5: Solve for x
x = 1,811,754,794,366.10/1,281,723.24 - Step 6: Final answer
x = 1,413,530.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.