Home / 1,216,261.44-1,678,607.69-700,004.88

Finding the Fourth Proportional to 1,216,261.44, 1,678,607.69 and 700,004.88

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Solution

The fourth proportional to 1,216,261.44, 1,678,607.69 and 700,004.88 is: 966,102.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,261.44 : 1,678,607.69 = 700,004.88 : x
  2. Step 2: Convert to fraction form
    1,216,261.44/1,678,607.69 = 700,004.88/x
  3. Step 3: Cross multiply
    1,216,261.44x = 1,678,607.69 × 700,004.88
  4. Step 4: Simplify right side
    1,216,261.44x = 1,175,033,571,105.50
  5. Step 5: Solve for x
    x = 1,175,033,571,105.50/1,216,261.44
  6. Step 6: Final answer
    x = 966,102.79

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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.