Home / 1,100,937.62-1,651,826.52-427,491.37

Finding the Fourth Proportional to 1,100,937.62, 1,651,826.52 and 427,491.37

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Solution

The fourth proportional to 1,100,937.62, 1,651,826.52 and 427,491.37 is: 641,400.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,937.62 : 1,651,826.52 = 427,491.37 : x
  2. Step 2: Convert to fraction form
    1,100,937.62/1,651,826.52 = 427,491.37/x
  3. Step 3: Cross multiply
    1,100,937.62x = 1,651,826.52 × 427,491.37
  4. Step 4: Simplify right side
    1,100,937.62x = 706,141,584,101.92
  5. Step 5: Solve for x
    x = 706,141,584,101.92/1,100,937.62
  6. Step 6: Final answer
    x = 641,400.18

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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.