Home / 1,679,969.60-2,519,727.60-669,834.80

Finding the Fourth Proportional to 1,679,969.60, 2,519,727.60 and 669,834.80

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Solution

The fourth proportional to 1,679,969.60, 2,519,727.60 and 669,834.80 is: 1,004,661.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,969.60 : 2,519,727.60 = 669,834.80 : x
  2. Step 2: Convert to fraction form
    1,679,969.60/2,519,727.60 = 669,834.80/x
  3. Step 3: Cross multiply
    1,679,969.60x = 2,519,727.60 × 669,834.80
  4. Step 4: Simplify right side
    1,679,969.60x = 1,687,801,233,000.48
  5. Step 5: Solve for x
    x = 1,687,801,233,000.48/1,679,969.60
  6. Step 6: Final answer
    x = 1,004,661.77

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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.