Home / 1,464,981.39-2,198,103.57-790,928.85

Finding the Fourth Proportional to 1,464,981.39, 2,198,103.57 and 790,928.85

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Solution

The fourth proportional to 1,464,981.39, 2,198,103.57 and 790,928.85 is: 1,186,734.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464,981.39 : 2,198,103.57 = 790,928.85 : x
  2. Step 2: Convert to fraction form
    1,464,981.39/2,198,103.57 = 790,928.85/x
  3. Step 3: Cross multiply
    1,464,981.39x = 2,198,103.57 × 790,928.85
  4. Step 4: Simplify right side
    1,464,981.39x = 1,738,543,528,800.99
  5. Step 5: Solve for x
    x = 1,738,543,528,800.99/1,464,981.39
  6. Step 6: Final answer
    x = 1,186,734.21

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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.