Home / 1,300,192.56-1,950,374.39-340,671.65

Finding the Fourth Proportional to 1,300,192.56, 1,950,374.39 and 340,671.65

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Solution

The fourth proportional to 1,300,192.56, 1,950,374.39 and 340,671.65 is: 511,029.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,192.56 : 1,950,374.39 = 340,671.65 : x
  2. Step 2: Convert to fraction form
    1,300,192.56/1,950,374.39 = 340,671.65/x
  3. Step 3: Cross multiply
    1,300,192.56x = 1,950,374.39 × 340,671.65
  4. Step 4: Simplify right side
    1,300,192.56x = 664,437,250,103.81
  5. Step 5: Solve for x
    x = 664,437,250,103.81/1,300,192.56
  6. Step 6: Final answer
    x = 511,029.88

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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.