Home / 1,585,692.91-2,378,834.48-721,190.04

Finding the Fourth Proportional to 1,585,692.91, 2,378,834.48 and 721,190.04

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Solution

The fourth proportional to 1,585,692.91, 2,378,834.48 and 721,190.04 is: 1,081,919.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,692.91 : 2,378,834.48 = 721,190.04 : x
  2. Step 2: Convert to fraction form
    1,585,692.91/2,378,834.48 = 721,190.04/x
  3. Step 3: Cross multiply
    1,585,692.91x = 2,378,834.48 × 721,190.04
  4. Step 4: Simplify right side
    1,585,692.91x = 1,715,591,733,784.58
  5. Step 5: Solve for x
    x = 1,715,591,733,784.58/1,585,692.91
  6. Step 6: Final answer
    x = 1,081,919.28

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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.