Home / 1,332,291.20-1,997,745.60-490,409.60

Finding the Fourth Proportional to 1,332,291.20, 1,997,745.60 and 490,409.60

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Solution

The fourth proportional to 1,332,291.20, 1,997,745.60 and 490,409.60 is: 735,359.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,291.20 : 1,997,745.60 = 490,409.60 : x
  2. Step 2: Convert to fraction form
    1,332,291.20/1,997,745.60 = 490,409.60/x
  3. Step 3: Cross multiply
    1,332,291.20x = 1,997,745.60 × 490,409.60
  4. Step 4: Simplify right side
    1,332,291.20x = 979,713,620,597.76
  5. Step 5: Solve for x
    x = 979,713,620,597.76/1,332,291.20
  6. Step 6: Final answer
    x = 735,359.97

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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.