Home / 1,012,698.21-1,519,794.95-480,221.04

Finding the Fourth Proportional to 1,012,698.21, 1,519,794.95 and 480,221.04

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Solution

The fourth proportional to 1,012,698.21, 1,519,794.95 and 480,221.04 is: 720,686.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,698.21 : 1,519,794.95 = 480,221.04 : x
  2. Step 2: Convert to fraction form
    1,012,698.21/1,519,794.95 = 480,221.04/x
  3. Step 3: Cross multiply
    1,012,698.21x = 1,519,794.95 × 480,221.04
  4. Step 4: Simplify right side
    1,012,698.21x = 729,837,509,074.64
  5. Step 5: Solve for x
    x = 729,837,509,074.64/1,012,698.21
  6. Step 6: Final answer
    x = 720,686.09

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Double scale
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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.