Home / 1,054,439.82-1,581,332.61-380,433.54

Finding the Fourth Proportional to 1,054,439.82, 1,581,332.61 and 380,433.54

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Solution

The fourth proportional to 1,054,439.82, 1,581,332.61 and 380,433.54 is: 570,532.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,439.82 : 1,581,332.61 = 380,433.54 : x
  2. Step 2: Convert to fraction form
    1,054,439.82/1,581,332.61 = 380,433.54/x
  3. Step 3: Cross multiply
    1,054,439.82x = 1,581,332.61 × 380,433.54
  4. Step 4: Simplify right side
    1,054,439.82x = 601,591,962,739.74
  5. Step 5: Solve for x
    x = 601,591,962,739.74/1,054,439.82
  6. Step 6: Final answer
    x = 570,532.29

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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.