Finding the Fourth Proportional to 1,373,677.12, 1,895,787.90 and 762,027.08
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Solution
The fourth proportional to 1,373,677.12, 1,895,787.90 and 762,027.08 is: 1,051,660.32
Step by Step Solution
- Step 1: Write the proportion equation
1,373,677.12 : 1,895,787.90 = 762,027.08 : x - Step 2: Convert to fraction form
1,373,677.12/1,895,787.90 = 762,027.08/x - Step 3: Cross multiply
1,373,677.12x = 1,895,787.90 × 762,027.08 - Step 4: Simplify right side
1,373,677.12x = 1,444,641,717,736.33 - Step 5: Solve for x
x = 1,444,641,717,736.33/1,373,677.12 - Step 6: Final answer
x = 1,051,660.32
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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.