Finding the Fourth Proportional to 1,178,353.20, 1,768,406.99 and 875,452.60
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Solution
The fourth proportional to 1,178,353.20, 1,768,406.99 and 875,452.60 is: 1,313,830.59
Step by Step Solution
- Step 1: Write the proportion equation
1,178,353.20 : 1,768,406.99 = 875,452.60 : x - Step 2: Convert to fraction form
1,178,353.20/1,768,406.99 = 875,452.60/x - Step 3: Cross multiply
1,178,353.20x = 1,768,406.99 × 875,452.60 - Step 4: Simplify right side
1,178,353.20x = 1,548,156,484,034.38 - Step 5: Solve for x
x = 1,548,156,484,034.38/1,178,353.20 - Step 6: Final answer
x = 1,313,830.59
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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.