Finding the Fourth Proportional to 1,119,828.63, 1,680,439.59 and 454,980.63
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Solution
The fourth proportional to 1,119,828.63, 1,680,439.59 and 454,980.63 is: 682,753.99
Step by Step Solution
- Step 1: Write the proportion equation
1,119,828.63 : 1,680,439.59 = 454,980.63 : x - Step 2: Convert to fraction form
1,119,828.63/1,680,439.59 = 454,980.63/x - Step 3: Cross multiply
1,119,828.63x = 1,680,439.59 × 454,980.63 - Step 4: Simplify right side
1,119,828.63x = 764,567,463,335.14 - Step 5: Solve for x
x = 764,567,463,335.14/1,119,828.63 - Step 6: Final answer
x = 682,753.99
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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.