Home / 1,489,764.72-2,234,658.42-424,805.88

Finding the Fourth Proportional to 1,489,764.72, 2,234,658.42 and 424,805.88

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Solution

The fourth proportional to 1,489,764.72, 2,234,658.42 and 424,805.88 is: 637,212.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,764.72 : 2,234,658.42 = 424,805.88 : x
  2. Step 2: Convert to fraction form
    1,489,764.72/2,234,658.42 = 424,805.88/x
  3. Step 3: Cross multiply
    1,489,764.72x = 2,234,658.42 × 424,805.88
  4. Step 4: Simplify right side
    1,489,764.72x = 949,296,036,607.51
  5. Step 5: Solve for x
    x = 949,296,036,607.51/1,489,764.72
  6. Step 6: Final answer
    x = 637,212.05

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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.