Home / 1,309,238.62-1,806,720.96-757,977.57

Finding the Fourth Proportional to 1,309,238.62, 1,806,720.96 and 757,977.57

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Solution

The fourth proportional to 1,309,238.62, 1,806,720.96 and 757,977.57 is: 1,045,992.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,238.62 : 1,806,720.96 = 757,977.57 : x
  2. Step 2: Convert to fraction form
    1,309,238.62/1,806,720.96 = 757,977.57/x
  3. Step 3: Cross multiply
    1,309,238.62x = 1,806,720.96 × 757,977.57
  4. Step 4: Simplify right side
    1,309,238.62x = 1,369,453,962,928.87
  5. Step 5: Solve for x
    x = 1,369,453,962,928.87/1,309,238.62
  6. Step 6: Final answer
    x = 1,045,992.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.