Home / 1,002,898.76-1,383,917.28-550,189.76

Finding the Fourth Proportional to 1,002,898.76, 1,383,917.28 and 550,189.76

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Solution

The fourth proportional to 1,002,898.76, 1,383,917.28 and 550,189.76 is: 759,216.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,898.76 : 1,383,917.28 = 550,189.76 : x
  2. Step 2: Convert to fraction form
    1,002,898.76/1,383,917.28 = 550,189.76/x
  3. Step 3: Cross multiply
    1,002,898.76x = 1,383,917.28 × 550,189.76
  4. Step 4: Simplify right side
    1,002,898.76x = 761,417,116,143.05
  5. Step 5: Solve for x
    x = 761,417,116,143.05/1,002,898.76
  6. Step 6: Final answer
    x = 759,216.33

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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.