Finding the Fourth Proportional to 1,119,852.43, 1,679,784.81 and 278,404.18
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Solution
The fourth proportional to 1,119,852.43, 1,679,784.81 and 278,404.18 is: 417,607.80
Step by Step Solution
- Step 1: Write the proportion equation
1,119,852.43 : 1,679,784.81 = 278,404.18 : x - Step 2: Convert to fraction form
1,119,852.43/1,679,784.81 = 278,404.18/x - Step 3: Cross multiply
1,119,852.43x = 1,679,784.81 × 278,404.18 - Step 4: Simplify right side
1,119,852.43x = 467,659,107,361.03 - Step 5: Solve for x
x = 467,659,107,361.03/1,119,852.43 - Step 6: Final answer
x = 417,607.80
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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.