Finding the Fourth Proportional to 1,189,558.84, 1,784,340.80 and 836,154.24
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Solution
The fourth proportional to 1,189,558.84, 1,784,340.80 and 836,154.24 is: 1,254,233.15
Step by Step Solution
- Step 1: Write the proportion equation
1,189,558.84 : 1,784,340.80 = 836,154.24 : x - Step 2: Convert to fraction form
1,189,558.84/1,784,340.80 = 836,154.24/x - Step 3: Cross multiply
1,189,558.84x = 1,784,340.80 × 836,154.24 - Step 4: Simplify right side
1,189,558.84x = 1,491,984,125,524.99 - Step 5: Solve for x
x = 1,491,984,125,524.99/1,189,558.84 - Step 6: Final answer
x = 1,254,233.15
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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.