Home / 1,216,584.24-1,678,796.46-672,727.20

Finding the Fourth Proportional to 1,216,584.24, 1,678,796.46 and 672,727.20

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Solution

The fourth proportional to 1,216,584.24, 1,678,796.46 and 672,727.20 is: 928,313.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,584.24 : 1,678,796.46 = 672,727.20 : x
  2. Step 2: Convert to fraction form
    1,216,584.24/1,678,796.46 = 672,727.20/x
  3. Step 3: Cross multiply
    1,216,584.24x = 1,678,796.46 × 672,727.20
  4. Step 4: Simplify right side
    1,216,584.24x = 1,129,372,041,905.71
  5. Step 5: Solve for x
    x = 1,129,372,041,905.71/1,216,584.24
  6. Step 6: Final answer
    x = 928,313.88

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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.