Home / 979,400.10-1,467,350.55-800,940.90

Finding the Fourth Proportional to 979,400.10, 1,467,350.55 and 800,940.90

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Solution

The fourth proportional to 979,400.10, 1,467,350.55 and 800,940.90 is: 1,199,980.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,400.10 : 1,467,350.55 = 800,940.90 : x
  2. Step 2: Convert to fraction form
    979,400.10/1,467,350.55 = 800,940.90/x
  3. Step 3: Cross multiply
    979,400.10x = 1,467,350.55 × 800,940.90
  4. Step 4: Simplify right side
    979,400.10x = 1,175,261,070,132.50
  5. Step 5: Solve for x
    x = 1,175,261,070,132.50/979,400.10
  6. Step 6: Final answer
    x = 1,199,980.55

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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.