Finding the Fourth Proportional to 1,381,774.36, 2,072,923.96 and 483,471.40
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Solution
The fourth proportional to 1,381,774.36, 2,072,923.96 and 483,471.40 is: 725,298.92
Step by Step Solution
- Step 1: Write the proportion equation
1,381,774.36 : 2,072,923.96 = 483,471.40 : x - Step 2: Convert to fraction form
1,381,774.36/2,072,923.96 = 483,471.40/x - Step 3: Cross multiply
1,381,774.36x = 2,072,923.96 × 483,471.40 - Step 4: Simplify right side
1,381,774.36x = 1,002,199,449,034.74 - Step 5: Solve for x
x = 1,002,199,449,034.74/1,381,774.36 - Step 6: Final answer
x = 725,298.92
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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.