Finding the Fourth Proportional to 1,439,027.56, 1,985,860.55 and 794,448.79
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Solution
The fourth proportional to 1,439,027.56, 1,985,860.55 and 794,448.79 is: 1,096,340.72
Step by Step Solution
- Step 1: Write the proportion equation
1,439,027.56 : 1,985,860.55 = 794,448.79 : x - Step 2: Convert to fraction form
1,439,027.56/1,985,860.55 = 794,448.79/x - Step 3: Cross multiply
1,439,027.56x = 1,985,860.55 × 794,448.79 - Step 4: Simplify right side
1,439,027.56x = 1,577,664,511,056.23 - Step 5: Solve for x
x = 1,577,664,511,056.23/1,439,027.56 - Step 6: Final answer
x = 1,096,340.72
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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.