Home / 1,279,509.76-1,919,266.92-332,878.96

Finding the Fourth Proportional to 1,279,509.76, 1,919,266.92 and 332,878.96

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Solution

The fourth proportional to 1,279,509.76, 1,919,266.92 and 332,878.96 is: 499,319.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,509.76 : 1,919,266.92 = 332,878.96 : x
  2. Step 2: Convert to fraction form
    1,279,509.76/1,919,266.92 = 332,878.96/x
  3. Step 3: Cross multiply
    1,279,509.76x = 1,919,266.92 × 332,878.96
  4. Step 4: Simplify right side
    1,279,509.76x = 638,883,576,292.00
  5. Step 5: Solve for x
    x = 638,883,576,292.00/1,279,509.76
  6. Step 6: Final answer
    x = 499,319.03

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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.