Home / 1,076,638.40-1,617,363.30-899,491.40

Finding the Fourth Proportional to 1,076,638.40, 1,617,363.30 and 899,491.40

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Solution

The fourth proportional to 1,076,638.40, 1,617,363.30 and 899,491.40 is: 1,351,246.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,638.40 : 1,617,363.30 = 899,491.40 : x
  2. Step 2: Convert to fraction form
    1,076,638.40/1,617,363.30 = 899,491.40/x
  3. Step 3: Cross multiply
    1,076,638.40x = 1,617,363.30 × 899,491.40
  4. Step 4: Simplify right side
    1,076,638.40x = 1,454,804,379,025.62
  5. Step 5: Solve for x
    x = 1,454,804,379,025.62/1,076,638.40
  6. Step 6: Final answer
    x = 1,351,246.97

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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.