Home / 1,722,122.40-2,581,783.92-600,978.72

Finding the Fourth Proportional to 1,722,122.40, 2,581,783.92 and 600,978.72

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Solution

The fourth proportional to 1,722,122.40, 2,581,783.92 and 600,978.72 is: 900,979.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722,122.40 : 2,581,783.92 = 600,978.72 : x
  2. Step 2: Convert to fraction form
    1,722,122.40/2,581,783.92 = 600,978.72/x
  3. Step 3: Cross multiply
    1,722,122.40x = 2,581,783.92 × 600,978.72
  4. Step 4: Simplify right side
    1,722,122.40x = 1,551,597,195,558.18
  5. Step 5: Solve for x
    x = 1,551,597,195,558.18/1,722,122.40
  6. Step 6: Final answer
    x = 900,979.63

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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.