Home / 1,768,845.32-2,441,072.40-1,005,028.28

Finding the Fourth Proportional to 1,768,845.32, 2,441,072.40 and 1,005,028.28

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Solution

The fourth proportional to 1,768,845.32, 2,441,072.40 and 1,005,028.28 is: 1,386,976.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768,845.32 : 2,441,072.40 = 1,005,028.28 : x
  2. Step 2: Convert to fraction form
    1,768,845.32/2,441,072.40 = 1,005,028.28/x
  3. Step 3: Cross multiply
    1,768,845.32x = 2,441,072.40 × 1,005,028.28
  4. Step 4: Simplify right side
    1,768,845.32x = 2,453,346,795,527.47
  5. Step 5: Solve for x
    x = 2,453,346,795,527.47/1,768,845.32
  6. Step 6: Final answer
    x = 1,386,976.45

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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.