Home / 986,469.60-1,479,704.40-899,378.40

Finding the Fourth Proportional to 986,469.60, 1,479,704.40 and 899,378.40

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Solution

The fourth proportional to 986,469.60, 1,479,704.40 and 899,378.40 is: 1,349,067.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,469.60 : 1,479,704.40 = 899,378.40 : x
  2. Step 2: Convert to fraction form
    986,469.60/1,479,704.40 = 899,378.40/x
  3. Step 3: Cross multiply
    986,469.60x = 1,479,704.40 × 899,378.40
  4. Step 4: Simplify right side
    986,469.60x = 1,330,814,175,744.96
  5. Step 5: Solve for x
    x = 1,330,814,175,744.96/986,469.60
  6. Step 6: Final answer
    x = 1,349,067.60

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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.