Home / 1,447,065.30-2,170,811.80-500,181.78

Finding the Fourth Proportional to 1,447,065.30, 2,170,811.80 and 500,181.78

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Solution

The fourth proportional to 1,447,065.30, 2,170,811.80 and 500,181.78 is: 750,346.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,065.30 : 2,170,811.80 = 500,181.78 : x
  2. Step 2: Convert to fraction form
    1,447,065.30/2,170,811.80 = 500,181.78/x
  3. Step 3: Cross multiply
    1,447,065.30x = 2,170,811.80 × 500,181.78
  4. Step 4: Simplify right side
    1,447,065.30x = 1,085,800,510,169.00
  5. Step 5: Solve for x
    x = 1,085,800,510,169.00/1,447,065.30
  6. Step 6: Final answer
    x = 750,346.59

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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.