Finding the Fourth Proportional to 1,189,107.84, 1,782,903.06 and 783,832.44
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Solution
The fourth proportional to 1,189,107.84, 1,782,903.06 and 783,832.44 is: 1,175,248.54
Step by Step Solution
- Step 1: Write the proportion equation
1,189,107.84 : 1,782,903.06 = 783,832.44 : x - Step 2: Convert to fraction form
1,189,107.84/1,782,903.06 = 783,832.44/x - Step 3: Cross multiply
1,189,107.84x = 1,782,903.06 × 783,832.44 - Step 4: Simplify right side
1,189,107.84x = 1,397,497,255,803.27 - Step 5: Solve for x
x = 1,397,497,255,803.27/1,189,107.84 - Step 6: Final answer
x = 1,175,248.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.