Finding the Fourth Proportional to 1,378,370.14, 2,066,205.36 and 771,454.84
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Solution
The fourth proportional to 1,378,370.14, 2,066,205.36 and 771,454.84 is: 1,156,426.77
Step by Step Solution
- Step 1: Write the proportion equation
1,378,370.14 : 2,066,205.36 = 771,454.84 : x - Step 2: Convert to fraction form
1,378,370.14/2,066,205.36 = 771,454.84/x - Step 3: Cross multiply
1,378,370.14x = 2,066,205.36 × 771,454.84 - Step 4: Simplify right side
1,378,370.14x = 1,593,984,125,405.94 - Step 5: Solve for x
x = 1,593,984,125,405.94/1,378,370.14 - Step 6: Final answer
x = 1,156,426.77
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.