Home / 1,770,561.12-2,443,563.60-1,082,636.16

Finding the Fourth Proportional to 1,770,561.12, 2,443,563.60 and 1,082,636.16

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Solution

The fourth proportional to 1,770,561.12, 2,443,563.60 and 1,082,636.16 is: 1,494,153.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770,561.12 : 2,443,563.60 = 1,082,636.16 : x
  2. Step 2: Convert to fraction form
    1,770,561.12/2,443,563.60 = 1,082,636.16/x
  3. Step 3: Cross multiply
    1,770,561.12x = 2,443,563.60 × 1,082,636.16
  4. Step 4: Simplify right side
    1,770,561.12x = 2,645,490,312,619.78
  5. Step 5: Solve for x
    x = 2,645,490,312,619.78/1,770,561.12
  6. Step 6: Final answer
    x = 1,494,153.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.