Home / 1,489,556.40-2,234,626.20-636,626.40

Finding the Fourth Proportional to 1,489,556.40, 2,234,626.20 and 636,626.40

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Solution

The fourth proportional to 1,489,556.40, 2,234,626.20 and 636,626.40 is: 955,064.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,556.40 : 2,234,626.20 = 636,626.40 : x
  2. Step 2: Convert to fraction form
    1,489,556.40/2,234,626.20 = 636,626.40/x
  3. Step 3: Cross multiply
    1,489,556.40x = 2,234,626.20 × 636,626.40
  4. Step 4: Simplify right side
    1,489,556.40x = 1,422,622,033,051.68
  5. Step 5: Solve for x
    x = 1,422,622,033,051.68/1,489,556.40
  6. Step 6: Final answer
    x = 955,064.23

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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.