Home / 1,447,619.75-2,171,445.27-436,750.48

Finding the Fourth Proportional to 1,447,619.75, 2,171,445.27 and 436,750.48

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Solution

The fourth proportional to 1,447,619.75, 2,171,445.27 and 436,750.48 is: 655,130.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,619.75 : 2,171,445.27 = 436,750.48 : x
  2. Step 2: Convert to fraction form
    1,447,619.75/2,171,445.27 = 436,750.48/x
  3. Step 3: Cross multiply
    1,447,619.75x = 2,171,445.27 × 436,750.48
  4. Step 4: Simplify right side
    1,447,619.75x = 948,379,765,042.72
  5. Step 5: Solve for x
    x = 948,379,765,042.72/1,447,619.75
  6. Step 6: Final answer
    x = 655,130.44

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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.