Home / 1,203,201.60-1,804,219.20-670,156.80

Finding the Fourth Proportional to 1,203,201.60, 1,804,219.20 and 670,156.80

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Solution

The fourth proportional to 1,203,201.60, 1,804,219.20 and 670,156.80 is: 1,004,910.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,201.60 : 1,804,219.20 = 670,156.80 : x
  2. Step 2: Convert to fraction form
    1,203,201.60/1,804,219.20 = 670,156.80/x
  3. Step 3: Cross multiply
    1,203,201.60x = 1,804,219.20 × 670,156.80
  4. Step 4: Simplify right side
    1,203,201.60x = 1,209,109,765,570.56
  5. Step 5: Solve for x
    x = 1,209,109,765,570.56/1,203,201.60
  6. Step 6: Final answer
    x = 1,004,910.37

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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.