Finding the Fourth Proportional to 1,236,251.70, 1,853,491.95 and 477,443.70
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Solution
The fourth proportional to 1,236,251.70, 1,853,491.95 and 477,443.70 is: 715,823.53
Step by Step Solution
- Step 1: Write the proportion equation
1,236,251.70 : 1,853,491.95 = 477,443.70 : x - Step 2: Convert to fraction form
1,236,251.70/1,853,491.95 = 477,443.70/x - Step 3: Cross multiply
1,236,251.70x = 1,853,491.95 × 477,443.70 - Step 4: Simplify right side
1,236,251.70x = 884,938,054,528.22 - Step 5: Solve for x
x = 884,938,054,528.22/1,236,251.70 - Step 6: Final answer
x = 715,823.53
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1.5x scale
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.