Home / 1,479,467.21-2,217,238.92-759,779.81

Finding the Fourth Proportional to 1,479,467.21, 2,217,238.92 and 759,779.81

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Solution

The fourth proportional to 1,479,467.21, 2,217,238.92 and 759,779.81 is: 1,138,662.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,467.21 : 2,217,238.92 = 759,779.81 : x
  2. Step 2: Convert to fraction form
    1,479,467.21/2,217,238.92 = 759,779.81/x
  3. Step 3: Cross multiply
    1,479,467.21x = 2,217,238.92 × 759,779.81
  4. Step 4: Simplify right side
    1,479,467.21x = 1,684,613,354,276.01
  5. Step 5: Solve for x
    x = 1,684,613,354,276.01/1,479,467.21
  6. Step 6: Final answer
    x = 1,138,662.18

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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.