Home / 1,429,846.62-2,145,065.58-419,001.72

Finding the Fourth Proportional to 1,429,846.62, 2,145,065.58 and 419,001.72

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Solution

The fourth proportional to 1,429,846.62, 2,145,065.58 and 419,001.72 is: 628,589.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,846.62 : 2,145,065.58 = 419,001.72 : x
  2. Step 2: Convert to fraction form
    1,429,846.62/2,145,065.58 = 419,001.72/x
  3. Step 3: Cross multiply
    1,429,846.62x = 2,145,065.58 × 419,001.72
  4. Step 4: Simplify right side
    1,429,846.62x = 898,786,167,532.80
  5. Step 5: Solve for x
    x = 898,786,167,532.80/1,429,846.62
  6. Step 6: Final answer
    x = 628,589.22

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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.