Home / 1,493,171.60-2,240,045.40-640,230.80

Finding the Fourth Proportional to 1,493,171.60, 2,240,045.40 and 640,230.80

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Solution

The fourth proportional to 1,493,171.60, 2,240,045.40 and 640,230.80 is: 960,469.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493,171.60 : 2,240,045.40 = 640,230.80 : x
  2. Step 2: Convert to fraction form
    1,493,171.60/2,240,045.40 = 640,230.80/x
  3. Step 3: Cross multiply
    1,493,171.60x = 2,240,045.40 × 640,230.80
  4. Step 4: Simplify right side
    1,493,171.60x = 1,434,146,058,478.32
  5. Step 5: Solve for x
    x = 1,434,146,058,478.32/1,493,171.60
  6. Step 6: Final answer
    x = 960,469.69

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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.