Finding the Fourth Proportional to 1,434,467.97, 1,979,565.80 and 789,886.62
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Solution
The fourth proportional to 1,434,467.97, 1,979,565.80 and 789,886.62 is: 1,090,043.54
Step by Step Solution
- Step 1: Write the proportion equation
1,434,467.97 : 1,979,565.80 = 789,886.62 : x - Step 2: Convert to fraction form
1,434,467.97/1,979,565.80 = 789,886.62/x - Step 3: Cross multiply
1,434,467.97x = 1,979,565.80 × 789,886.62 - Step 4: Simplify right side
1,434,467.97x = 1,563,632,538,829.60 - Step 5: Solve for x
x = 1,563,632,538,829.60/1,434,467.97 - Step 6: Final answer
x = 1,090,043.54
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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.