Finding the Fourth Proportional to 1,119,873.09, 1,679,816.02 and 278,424.84
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Solution
The fourth proportional to 1,119,873.09, 1,679,816.02 and 278,424.84 is: 417,638.85
Step by Step Solution
- Step 1: Write the proportion equation
1,119,873.09 : 1,679,816.02 = 278,424.84 : x - Step 2: Convert to fraction form
1,119,873.09/1,679,816.02 = 278,424.84/x - Step 3: Cross multiply
1,119,873.09x = 1,679,816.02 × 278,424.84 - Step 4: Simplify right side
1,119,873.09x = 467,702,512,723.23 - Step 5: Solve for x
x = 467,702,512,723.23/1,119,873.09 - Step 6: Final answer
x = 417,638.85
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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.