Home / 1,619,286.40-2,428,929.60-672,169.60

Finding the Fourth Proportional to 1,619,286.40, 2,428,929.60 and 672,169.60

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Solution

The fourth proportional to 1,619,286.40, 2,428,929.60 and 672,169.60 is: 1,008,254.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,286.40 : 2,428,929.60 = 672,169.60 : x
  2. Step 2: Convert to fraction form
    1,619,286.40/2,428,929.60 = 672,169.60/x
  3. Step 3: Cross multiply
    1,619,286.40x = 2,428,929.60 × 672,169.60
  4. Step 4: Simplify right side
    1,619,286.40x = 1,632,652,637,660.16
  5. Step 5: Solve for x
    x = 1,632,652,637,660.16/1,619,286.40
  6. Step 6: Final answer
    x = 1,008,254.40

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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.