Home / 1,487,079.54-2,230,614.83-422,122.50

Finding the Fourth Proportional to 1,487,079.54, 2,230,614.83 and 422,122.50

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Solution

The fourth proportional to 1,487,079.54, 2,230,614.83 and 422,122.50 is: 633,182.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,079.54 : 2,230,614.83 = 422,122.50 : x
  2. Step 2: Convert to fraction form
    1,487,079.54/2,230,614.83 = 422,122.50/x
  3. Step 3: Cross multiply
    1,487,079.54x = 2,230,614.83 × 422,122.50
  4. Step 4: Simplify right side
    1,487,079.54x = 941,592,708,576.68
  5. Step 5: Solve for x
    x = 941,592,708,576.68/1,487,079.54
  6. Step 6: Final answer
    x = 633,182.48

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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.