Home / 1,340,019.44-1,849,225.41-728,170.75

Finding the Fourth Proportional to 1,340,019.44, 1,849,225.41 and 728,170.75

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Solution

The fourth proportional to 1,340,019.44, 1,849,225.41 and 728,170.75 is: 1,004,874.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,019.44 : 1,849,225.41 = 728,170.75 : x
  2. Step 2: Convert to fraction form
    1,340,019.44/1,849,225.41 = 728,170.75/x
  3. Step 3: Cross multiply
    1,340,019.44x = 1,849,225.41 × 728,170.75
  4. Step 4: Simplify right side
    1,340,019.44x = 1,346,551,844,472.63
  5. Step 5: Solve for x
    x = 1,346,551,844,472.63/1,340,019.44
  6. Step 6: Final answer
    x = 1,004,874.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.