Home / 1,486,491.53-2,229,257.48-421,247.57

Finding the Fourth Proportional to 1,486,491.53, 2,229,257.48 and 421,247.57

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Solution

The fourth proportional to 1,486,491.53, 2,229,257.48 and 421,247.57 is: 631,735.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,491.53 : 2,229,257.48 = 421,247.57 : x
  2. Step 2: Convert to fraction form
    1,486,491.53/2,229,257.48 = 421,247.57/x
  3. Step 3: Cross multiply
    1,486,491.53x = 2,229,257.48 × 421,247.57
  4. Step 4: Simplify right side
    1,486,491.53x = 939,069,283,101.80
  5. Step 5: Solve for x
    x = 939,069,283,101.80/1,486,491.53
  6. Step 6: Final answer
    x = 631,735.38

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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.