Home / 1,747,281.56-2,620,923.42-485,109.32

Finding the Fourth Proportional to 1,747,281.56, 2,620,923.42 and 485,109.32

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Solution

The fourth proportional to 1,747,281.56, 2,620,923.42 and 485,109.32 is: 727,664.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747,281.56 : 2,620,923.42 = 485,109.32 : x
  2. Step 2: Convert to fraction form
    1,747,281.56/2,620,923.42 = 485,109.32/x
  3. Step 3: Cross multiply
    1,747,281.56x = 2,620,923.42 × 485,109.32
  4. Step 4: Simplify right side
    1,747,281.56x = 1,271,434,378,048.27
  5. Step 5: Solve for x
    x = 1,271,434,378,048.27/1,747,281.56
  6. Step 6: Final answer
    x = 727,664.28

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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.