Home / 1,422,377.55-2,134,103.85-854,154.80

Finding the Fourth Proportional to 1,422,377.55, 2,134,103.85 and 854,154.80

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Solution

The fourth proportional to 1,422,377.55, 2,134,103.85 and 854,154.80 is: 1,281,554.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,377.55 : 2,134,103.85 = 854,154.80 : x
  2. Step 2: Convert to fraction form
    1,422,377.55/2,134,103.85 = 854,154.80/x
  3. Step 3: Cross multiply
    1,422,377.55x = 2,134,103.85 × 854,154.80
  4. Step 4: Simplify right side
    1,422,377.55x = 1,822,855,047,175.98
  5. Step 5: Solve for x
    x = 1,822,855,047,175.98/1,422,377.55
  6. Step 6: Final answer
    x = 1,281,554.99

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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.