Home / 1,885,704.30-2,828,556.45-687,665.70

Finding the Fourth Proportional to 1,885,704.30, 2,828,556.45 and 687,665.70

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Solution

The fourth proportional to 1,885,704.30, 2,828,556.45 and 687,665.70 is: 1,031,498.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885,704.30 : 2,828,556.45 = 687,665.70 : x
  2. Step 2: Convert to fraction form
    1,885,704.30/2,828,556.45 = 687,665.70/x
  3. Step 3: Cross multiply
    1,885,704.30x = 2,828,556.45 × 687,665.70
  4. Step 4: Simplify right side
    1,885,704.30x = 1,945,101,251,178.77
  5. Step 5: Solve for x
    x = 1,945,101,251,178.77/1,885,704.30
  6. Step 6: Final answer
    x = 1,031,498.55

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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.