Finding the Fourth Proportional to 1,417,148.41, 2,126,950.97 and 743,705.50
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Solution
The fourth proportional to 1,417,148.41, 2,126,950.97 and 743,705.50 is: 1,116,202.88
Step by Step Solution
- Step 1: Write the proportion equation
1,417,148.41 : 2,126,950.97 = 743,705.50 : x - Step 2: Convert to fraction form
1,417,148.41/2,126,950.97 = 743,705.50/x - Step 3: Cross multiply
1,417,148.41x = 2,126,950.97 × 743,705.50 - Step 4: Simplify right side
1,417,148.41x = 1,581,825,133,754.81 - Step 5: Solve for x
x = 1,581,825,133,754.81/1,417,148.41 - Step 6: Final answer
x = 1,116,202.88
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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.