Home / 1,628,499.90-2,443,624.65-681,966.30

Finding the Fourth Proportional to 1,628,499.90, 2,443,624.65 and 681,966.30

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Solution

The fourth proportional to 1,628,499.90, 2,443,624.65 and 681,966.30 is: 1,023,315.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,499.90 : 2,443,624.65 = 681,966.30 : x
  2. Step 2: Convert to fraction form
    1,628,499.90/2,443,624.65 = 681,966.30/x
  3. Step 3: Cross multiply
    1,628,499.90x = 2,443,624.65 × 681,966.30
  4. Step 4: Simplify right side
    1,628,499.90x = 1,666,469,661,149.30
  5. Step 5: Solve for x
    x = 1,666,469,661,149.30/1,628,499.90
  6. Step 6: Final answer
    x = 1,023,315.79

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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.