Finding the Fourth Proportional to 1,124,327.70, 1,686,387.87 and 376,380.18
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Solution
The fourth proportional to 1,124,327.70, 1,686,387.87 and 376,380.18 is: 564,535.56
Step by Step Solution
- Step 1: Write the proportion equation
1,124,327.70 : 1,686,387.87 = 376,380.18 : x - Step 2: Convert to fraction form
1,124,327.70/1,686,387.87 = 376,380.18/x - Step 3: Cross multiply
1,124,327.70x = 1,686,387.87 × 376,380.18 - Step 4: Simplify right side
1,124,327.70x = 634,722,970,060.42 - Step 5: Solve for x
x = 634,722,970,060.42/1,124,327.70 - Step 6: Final answer
x = 564,535.56
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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.