Home / 2,088,376.80-3,132,856.80-890,289.60

Finding the Fourth Proportional to 2,088,376.80, 3,132,856.80 and 890,289.60

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Solution

The fourth proportional to 2,088,376.80, 3,132,856.80 and 890,289.60 is: 1,335,558.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088,376.80 : 3,132,856.80 = 890,289.60 : x
  2. Step 2: Convert to fraction form
    2,088,376.80/3,132,856.80 = 890,289.60/x
  3. Step 3: Cross multiply
    2,088,376.80x = 3,132,856.80 × 890,289.60
  4. Step 4: Simplify right side
    2,088,376.80x = 2,789,149,827,329.28
  5. Step 5: Solve for x
    x = 2,789,149,827,329.28/2,088,376.80
  6. Step 6: Final answer
    x = 1,335,558.71

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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.