Home / 1,342,618.35-2,014,115.44-431,494.65

Finding the Fourth Proportional to 1,342,618.35, 2,014,115.44 and 431,494.65

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Solution

The fourth proportional to 1,342,618.35, 2,014,115.44 and 431,494.65 is: 647,302.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,618.35 : 2,014,115.44 = 431,494.65 : x
  2. Step 2: Convert to fraction form
    1,342,618.35/2,014,115.44 = 431,494.65/x
  3. Step 3: Cross multiply
    1,342,618.35x = 2,014,115.44 × 431,494.65
  4. Step 4: Simplify right side
    1,342,618.35x = 869,080,025,693.08
  5. Step 5: Solve for x
    x = 869,080,025,693.08/1,342,618.35
  6. Step 6: Final answer
    x = 647,302.36

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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.