Home / 1,150,628.36-1,724,745.12-644,447.20

Finding the Fourth Proportional to 1,150,628.36, 1,724,745.12 and 644,447.20

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Solution

The fourth proportional to 1,150,628.36, 1,724,745.12 and 644,447.20 is: 966,000.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,628.36 : 1,724,745.12 = 644,447.20 : x
  2. Step 2: Convert to fraction form
    1,150,628.36/1,724,745.12 = 644,447.20/x
  3. Step 3: Cross multiply
    1,150,628.36x = 1,724,745.12 × 644,447.20
  4. Step 4: Simplify right side
    1,150,628.36x = 1,111,507,163,297.66
  5. Step 5: Solve for x
    x = 1,111,507,163,297.66/1,150,628.36
  6. Step 6: Final answer
    x = 966,000.15

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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.