Home / 979,428.10-1,467,392.55-800,968.90

Finding the Fourth Proportional to 979,428.10, 1,467,392.55 and 800,968.90

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Solution

The fourth proportional to 979,428.10, 1,467,392.55 and 800,968.90 is: 1,200,022.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,428.10 : 1,467,392.55 = 800,968.90 : x
  2. Step 2: Convert to fraction form
    979,428.10/1,467,392.55 = 800,968.90/x
  3. Step 3: Cross multiply
    979,428.10x = 1,467,392.55 × 800,968.90
  4. Step 4: Simplify right side
    979,428.10x = 1,175,335,796,641.70
  5. Step 5: Solve for x
    x = 1,175,335,796,641.70/979,428.10
  6. Step 6: Final answer
    x = 1,200,022.54

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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.