Home / 1,616,889.20-2,424,920.12-479,385.41

Finding the Fourth Proportional to 1,616,889.20, 2,424,920.12 and 479,385.41

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Solution

The fourth proportional to 1,616,889.20, 2,424,920.12 and 479,385.41 is: 718,955.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,889.20 : 2,424,920.12 = 479,385.41 : x
  2. Step 2: Convert to fraction form
    1,616,889.20/2,424,920.12 = 479,385.41/x
  3. Step 3: Cross multiply
    1,616,889.20x = 2,424,920.12 × 479,385.41
  4. Step 4: Simplify right side
    1,616,889.20x = 1,162,471,323,546.52
  5. Step 5: Solve for x
    x = 1,162,471,323,546.52/1,616,889.20
  6. Step 6: Final answer
    x = 718,955.46

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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.