Home / 1,467,855.20-2,201,264.40-521,256.80

Finding the Fourth Proportional to 1,467,855.20, 2,201,264.40 and 521,256.80

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Solution

The fourth proportional to 1,467,855.20, 2,201,264.40 and 521,256.80 is: 781,701.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467,855.20 : 2,201,264.40 = 521,256.80 : x
  2. Step 2: Convert to fraction form
    1,467,855.20/2,201,264.40 = 521,256.80/x
  3. Step 3: Cross multiply
    1,467,855.20x = 2,201,264.40 × 521,256.80
  4. Step 4: Simplify right side
    1,467,855.20x = 1,147,424,037,097.92
  5. Step 5: Solve for x
    x = 1,147,424,037,097.92/1,467,855.20
  6. Step 6: Final answer
    x = 781,701.11

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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.