Home / 1,465,942.87-2,198,830.06-870,685.03

Finding the Fourth Proportional to 1,465,942.87, 2,198,830.06 and 870,685.03

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Solution

The fourth proportional to 1,465,942.87, 2,198,830.06 and 870,685.03 is: 1,305,977.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,942.87 : 2,198,830.06 = 870,685.03 : x
  2. Step 2: Convert to fraction form
    1,465,942.87/2,198,830.06 = 870,685.03/x
  3. Step 3: Cross multiply
    1,465,942.87x = 2,198,830.06 × 870,685.03
  4. Step 4: Simplify right side
    1,465,942.87x = 1,914,488,416,756.00
  5. Step 5: Solve for x
    x = 1,914,488,416,756.00/1,465,942.87
  6. Step 6: Final answer
    x = 1,305,977.51

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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.