Home / 1,379,491.52-2,069,324.76-432,899.60

Finding the Fourth Proportional to 1,379,491.52, 2,069,324.76 and 432,899.60

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Solution

The fourth proportional to 1,379,491.52, 2,069,324.76 and 432,899.60 is: 649,376.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,491.52 : 2,069,324.76 = 432,899.60 : x
  2. Step 2: Convert to fraction form
    1,379,491.52/2,069,324.76 = 432,899.60/x
  3. Step 3: Cross multiply
    1,379,491.52x = 2,069,324.76 × 432,899.60
  4. Step 4: Simplify right side
    1,379,491.52x = 895,809,860,874.10
  5. Step 5: Solve for x
    x = 895,809,860,874.10/1,379,491.52
  6. Step 6: Final answer
    x = 649,376.85

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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.