Finding the Fourth Proportional to 1,348,977.12, 1,861,565.94 and 737,116.44
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Solution
The fourth proportional to 1,348,977.12, 1,861,565.94 and 737,116.44 is: 1,017,208.40
Step by Step Solution
- Step 1: Write the proportion equation
1,348,977.12 : 1,861,565.94 = 737,116.44 : x - Step 2: Convert to fraction form
1,348,977.12/1,861,565.94 = 737,116.44/x - Step 3: Cross multiply
1,348,977.12x = 1,861,565.94 × 737,116.44 - Step 4: Simplify right side
1,348,977.12x = 1,372,190,858,518.05 - Step 5: Solve for x
x = 1,372,190,858,518.05/1,348,977.12 - Step 6: Final answer
x = 1,017,208.40
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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.