Finding the Fourth Proportional to 1,267,949.94, 1,749,950.34 and 784,670.74
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Solution
The fourth proportional to 1,267,949.94, 1,749,950.34 and 784,670.74 is: 1,082,956.66
Step by Step Solution
- Step 1: Write the proportion equation
1,267,949.94 : 1,749,950.34 = 784,670.74 : x - Step 2: Convert to fraction form
1,267,949.94/1,749,950.34 = 784,670.74/x - Step 3: Cross multiply
1,267,949.94x = 1,749,950.34 × 784,670.74 - Step 4: Simplify right side
1,267,949.94x = 1,373,134,828,251.05 - Step 5: Solve for x
x = 1,373,134,828,251.05/1,267,949.94 - Step 6: Final answer
x = 1,082,956.66
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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.