Home / 1,818,012.94-2,508,865.45-1,002,198.72

Finding the Fourth Proportional to 1,818,012.94, 2,508,865.45 and 1,002,198.72

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Solution

The fourth proportional to 1,818,012.94, 2,508,865.45 and 1,002,198.72 is: 1,383,038.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,012.94 : 2,508,865.45 = 1,002,198.72 : x
  2. Step 2: Convert to fraction form
    1,818,012.94/2,508,865.45 = 1,002,198.72/x
  3. Step 3: Cross multiply
    1,818,012.94x = 2,508,865.45 × 1,002,198.72
  4. Step 4: Simplify right side
    1,818,012.94x = 2,514,381,735,432.60
  5. Step 5: Solve for x
    x = 2,514,381,735,432.60/1,818,012.94
  6. Step 6: Final answer
    x = 1,383,038.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.