Finding the Fourth Proportional to 1,224,153.11, 1,689,372.35 and 680,311.82
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Solution
The fourth proportional to 1,224,153.11, 1,689,372.35 and 680,311.82 is: 938,853.12
Step by Step Solution
- Step 1: Write the proportion equation
1,224,153.11 : 1,689,372.35 = 680,311.82 : x - Step 2: Convert to fraction form
1,224,153.11/1,689,372.35 = 680,311.82/x - Step 3: Cross multiply
1,224,153.11x = 1,689,372.35 × 680,311.82 - Step 4: Simplify right side
1,224,153.11x = 1,149,299,966,237.76 - Step 5: Solve for x
x = 1,149,299,966,237.76/1,224,153.11 - Step 6: Final answer
x = 938,853.12
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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.