Home / 1,500,212.48-2,070,299.82-811,884.44

Finding the Fourth Proportional to 1,500,212.48, 2,070,299.82 and 811,884.44

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Solution

The fourth proportional to 1,500,212.48, 2,070,299.82 and 811,884.44 is: 1,120,404.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,212.48 : 2,070,299.82 = 811,884.44 : x
  2. Step 2: Convert to fraction form
    1,500,212.48/2,070,299.82 = 811,884.44/x
  3. Step 3: Cross multiply
    1,500,212.48x = 2,070,299.82 × 811,884.44
  4. Step 4: Simplify right side
    1,500,212.48x = 1,680,844,199,641.30
  5. Step 5: Solve for x
    x = 1,680,844,199,641.30/1,500,212.48
  6. Step 6: Final answer
    x = 1,120,404.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.