Home / 1,905,455.75-2,856,009.24-767,489.18

Finding the Fourth Proportional to 1,905,455.75, 2,856,009.24 and 767,489.18

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Solution

The fourth proportional to 1,905,455.75, 2,856,009.24 and 767,489.18 is: 1,150,357.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,455.75 : 2,856,009.24 = 767,489.18 : x
  2. Step 2: Convert to fraction form
    1,905,455.75/2,856,009.24 = 767,489.18/x
  3. Step 3: Cross multiply
    1,905,455.75x = 2,856,009.24 × 767,489.18
  4. Step 4: Simplify right side
    1,905,455.75x = 2,191,956,175,399.98
  5. Step 5: Solve for x
    x = 2,191,956,175,399.98/1,905,455.75
  6. Step 6: Final answer
    x = 1,150,357.96

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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.