Home / 1,789,217.60-2,682,904.80-666,708.80

Finding the Fourth Proportional to 1,789,217.60, 2,682,904.80 and 666,708.80

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Solution

The fourth proportional to 1,789,217.60, 2,682,904.80 and 666,708.80 is: 999,719.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789,217.60 : 2,682,904.80 = 666,708.80 : x
  2. Step 2: Convert to fraction form
    1,789,217.60/2,682,904.80 = 666,708.80/x
  3. Step 3: Cross multiply
    1,789,217.60x = 2,682,904.80 × 666,708.80
  4. Step 4: Simplify right side
    1,789,217.60x = 1,788,716,239,722.24
  5. Step 5: Solve for x
    x = 1,788,716,239,722.24/1,789,217.60
  6. Step 6: Final answer
    x = 999,719.79

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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.