Home / 1,919,027.72-2,879,930.52-750,719.30

Finding the Fourth Proportional to 1,919,027.72, 2,879,930.52 and 750,719.30

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Solution

The fourth proportional to 1,919,027.72, 2,879,930.52 and 750,719.30 is: 1,126,622.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,027.72 : 2,879,930.52 = 750,719.30 : x
  2. Step 2: Convert to fraction form
    1,919,027.72/2,879,930.52 = 750,719.30/x
  3. Step 3: Cross multiply
    1,919,027.72x = 2,879,930.52 × 750,719.30
  4. Step 4: Simplify right side
    1,919,027.72x = 2,162,019,415,343.29
  5. Step 5: Solve for x
    x = 2,162,019,415,343.29/1,919,027.72
  6. Step 6: Final answer
    x = 1,126,622.29

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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.