Home / 1,405,295.59-2,107,628.16-646,408.27

Finding the Fourth Proportional to 1,405,295.59, 2,107,628.16 and 646,408.27

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Solution

The fourth proportional to 1,405,295.59, 2,107,628.16 and 646,408.27 is: 969,467.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,295.59 : 2,107,628.16 = 646,408.27 : x
  2. Step 2: Convert to fraction form
    1,405,295.59/2,107,628.16 = 646,408.27/x
  3. Step 3: Cross multiply
    1,405,295.59x = 2,107,628.16 × 646,408.27
  4. Step 4: Simplify right side
    1,405,295.59x = 1,362,388,272,708.88
  5. Step 5: Solve for x
    x = 1,362,388,272,708.88/1,405,295.59
  6. Step 6: Final answer
    x = 969,467.41

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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.