Finding the Fourth Proportional to 1,119,662.07, 1,679,494.29 and 278,213.82
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Solution
The fourth proportional to 1,119,662.07, 1,679,494.29 and 278,213.82 is: 417,321.02
Step by Step Solution
- Step 1: Write the proportion equation
1,119,662.07 : 1,679,494.29 = 278,213.82 : x - Step 2: Convert to fraction form
1,119,662.07/1,679,494.29 = 278,213.82/x - Step 3: Cross multiply
1,119,662.07x = 1,679,494.29 × 278,213.82 - Step 4: Simplify right side
1,119,662.07x = 467,258,522,089.09 - Step 5: Solve for x
x = 467,258,522,089.09/1,119,662.07 - Step 6: Final answer
x = 417,321.02
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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.