Home / 1,378,652.88-2,067,980.04-630,174

Finding the Fourth Proportional to 1,378,652.88, 2,067,980.04 and 630,174

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Solution

The fourth proportional to 1,378,652.88, 2,067,980.04 and 630,174 is: 945,261.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,652.88 : 2,067,980.04 = 630,174 : x
  2. Step 2: Convert to fraction form
    1,378,652.88/2,067,980.04 = 630,174/x
  3. Step 3: Cross multiply
    1,378,652.88x = 2,067,980.04 × 630,174
  4. Step 4: Simplify right side
    1,378,652.88x = 1,303,187,253,726.96
  5. Step 5: Solve for x
    x = 1,303,187,253,726.96/1,378,652.88
  6. Step 6: Final answer
    x = 945,261.33

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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.