Home / 1,339,101.72-2,008,784.88-440,178.84

Finding the Fourth Proportional to 1,339,101.72, 2,008,784.88 and 440,178.84

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Solution

The fourth proportional to 1,339,101.72, 2,008,784.88 and 440,178.84 is: 660,311.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,101.72 : 2,008,784.88 = 440,178.84 : x
  2. Step 2: Convert to fraction form
    1,339,101.72/2,008,784.88 = 440,178.84/x
  3. Step 3: Cross multiply
    1,339,101.72x = 2,008,784.88 × 440,178.84
  4. Step 4: Simplify right side
    1,339,101.72x = 884,224,598,287.94
  5. Step 5: Solve for x
    x = 884,224,598,287.94/1,339,101.72
  6. Step 6: Final answer
    x = 660,311.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.