Finding the Fourth Proportional to 1,126,885.40, 1,690,303.44 and 273,961.54
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Solution
The fourth proportional to 1,126,885.40, 1,690,303.44 and 273,961.54 is: 410,936.31
Step by Step Solution
- Step 1: Write the proportion equation
1,126,885.40 : 1,690,303.44 = 273,961.54 : x - Step 2: Convert to fraction form
1,126,885.40/1,690,303.44 = 273,961.54/x - Step 3: Cross multiply
1,126,885.40x = 1,690,303.44 × 273,961.54 - Step 4: Simplify right side
1,126,885.40x = 463,078,130,720.17 - Step 5: Solve for x
x = 463,078,130,720.17/1,126,885.40 - Step 6: Final answer
x = 410,936.31
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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.