Home / 1,783,822.91-2,675,047.28-646,247.57

Finding the Fourth Proportional to 1,783,822.91, 2,675,047.28 and 646,247.57

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Solution

The fourth proportional to 1,783,822.91, 2,675,047.28 and 646,247.57 is: 969,122.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783,822.91 : 2,675,047.28 = 646,247.57 : x
  2. Step 2: Convert to fraction form
    1,783,822.91/2,675,047.28 = 646,247.57/x
  3. Step 3: Cross multiply
    1,783,822.91x = 2,675,047.28 × 646,247.57
  4. Step 4: Simplify right side
    1,783,822.91x = 1,728,742,787,728.64
  5. Step 5: Solve for x
    x = 1,728,742,787,728.64/1,783,822.91
  6. Step 6: Final answer
    x = 969,122.43

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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.