Home / 993,947.80-1,489,317.90-899,469.40

Finding the Fourth Proportional to 993,947.80, 1,489,317.90 and 899,469.40

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Solution

The fourth proportional to 993,947.80, 1,489,317.90 and 899,469.40 is: 1,347,752.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,947.80 : 1,489,317.90 = 899,469.40 : x
  2. Step 2: Convert to fraction form
    993,947.80/1,489,317.90 = 899,469.40/x
  3. Step 3: Cross multiply
    993,947.80x = 1,489,317.90 × 899,469.40
  4. Step 4: Simplify right side
    993,947.80x = 1,339,595,877,922.26
  5. Step 5: Solve for x
    x = 1,339,595,877,922.26/993,947.80
  6. Step 6: Final answer
    x = 1,347,752.75

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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.