Home / 1,768,768.32-2,440,965.60-1,004,951.28

Finding the Fourth Proportional to 1,768,768.32, 2,440,965.60 and 1,004,951.28

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Solution

The fourth proportional to 1,768,768.32, 2,440,965.60 and 1,004,951.28 is: 1,386,869.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768,768.32 : 2,440,965.60 = 1,004,951.28 : x
  2. Step 2: Convert to fraction form
    1,768,768.32/2,440,965.60 = 1,004,951.28/x
  3. Step 3: Cross multiply
    1,768,768.32x = 2,440,965.60 × 1,004,951.28
  4. Step 4: Simplify right side
    1,768,768.32x = 2,453,051,504,155.97
  5. Step 5: Solve for x
    x = 2,453,051,504,155.97/1,768,768.32
  6. Step 6: Final answer
    x = 1,386,869.88

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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.