Finding the Fourth Proportional to 1,208,113.84, 1,667,201.36 and 664,283.82
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Solution
The fourth proportional to 1,208,113.84, 1,667,201.36 and 664,283.82 is: 916,714.02
Step by Step Solution
- Step 1: Write the proportion equation
1,208,113.84 : 1,667,201.36 = 664,283.82 : x - Step 2: Convert to fraction form
1,208,113.84/1,667,201.36 = 664,283.82/x - Step 3: Cross multiply
1,208,113.84x = 1,667,201.36 × 664,283.82 - Step 4: Simplify right side
1,208,113.84x = 1,107,494,890,584.39 - Step 5: Solve for x
x = 1,107,494,890,584.39/1,208,113.84 - Step 6: Final answer
x = 916,714.02
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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.