Home / 1,780,665.12-2,669,215.68-882,763.92

Finding the Fourth Proportional to 1,780,665.12, 2,669,215.68 and 882,763.92

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Solution

The fourth proportional to 1,780,665.12, 2,669,215.68 and 882,763.92 is: 1,323,262.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,665.12 : 2,669,215.68 = 882,763.92 : x
  2. Step 2: Convert to fraction form
    1,780,665.12/2,669,215.68 = 882,763.92/x
  3. Step 3: Cross multiply
    1,780,665.12x = 2,669,215.68 × 882,763.92
  4. Step 4: Simplify right side
    1,780,665.12x = 2,356,287,297,002.27
  5. Step 5: Solve for x
    x = 2,356,287,297,002.27/1,780,665.12
  6. Step 6: Final answer
    x = 1,323,262.45

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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.