Home / 1,119,305.20-1,679,346.60-488,671.60

Finding the Fourth Proportional to 1,119,305.20, 1,679,346.60 and 488,671.60

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Solution

The fourth proportional to 1,119,305.20, 1,679,346.60 and 488,671.60 is: 733,177.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,305.20 : 1,679,346.60 = 488,671.60 : x
  2. Step 2: Convert to fraction form
    1,119,305.20/1,679,346.60 = 488,671.60/x
  3. Step 3: Cross multiply
    1,119,305.20x = 1,679,346.60 × 488,671.60
  4. Step 4: Simplify right side
    1,119,305.20x = 820,648,989,976.56
  5. Step 5: Solve for x
    x = 820,648,989,976.56/1,119,305.20
  6. Step 6: Final answer
    x = 733,177.14

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1.5x scale

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.