Home / 1,238,757.24-1,858,131.90-340,199.88

Finding the Fourth Proportional to 1,238,757.24, 1,858,131.90 and 340,199.88

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Solution

The fourth proportional to 1,238,757.24, 1,858,131.90 and 340,199.88 is: 510,298.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,757.24 : 1,858,131.90 = 340,199.88 : x
  2. Step 2: Convert to fraction form
    1,238,757.24/1,858,131.90 = 340,199.88/x
  3. Step 3: Cross multiply
    1,238,757.24x = 1,858,131.90 × 340,199.88
  4. Step 4: Simplify right side
    1,238,757.24x = 632,136,249,404.17
  5. Step 5: Solve for x
    x = 632,136,249,404.17/1,238,757.24
  6. Step 6: Final answer
    x = 510,298.73

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1.5x scale

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.