Home / 1,454,491.38-2,180,723.36-644,435.50

Finding the Fourth Proportional to 1,454,491.38, 2,180,723.36 and 644,435.50

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Solution

The fourth proportional to 1,454,491.38, 2,180,723.36 and 644,435.50 is: 966,204.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454,491.38 : 2,180,723.36 = 644,435.50 : x
  2. Step 2: Convert to fraction form
    1,454,491.38/2,180,723.36 = 644,435.50/x
  3. Step 3: Cross multiply
    1,454,491.38x = 2,180,723.36 × 644,435.50
  4. Step 4: Simplify right side
    1,454,491.38x = 1,405,335,548,863.28
  5. Step 5: Solve for x
    x = 1,405,335,548,863.28/1,454,491.38
  6. Step 6: Final answer
    x = 966,204.11

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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.