Home / 1,267,619.32-1,900,149.54-794,636.92

Finding the Fourth Proportional to 1,267,619.32, 1,900,149.54 and 794,636.92

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Solution

The fourth proportional to 1,267,619.32, 1,900,149.54 and 794,636.92 is: 1,191,153.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,619.32 : 1,900,149.54 = 794,636.92 : x
  2. Step 2: Convert to fraction form
    1,267,619.32/1,900,149.54 = 794,636.92/x
  3. Step 3: Cross multiply
    1,267,619.32x = 1,900,149.54 × 794,636.92
  4. Step 4: Simplify right side
    1,267,619.32x = 1,509,928,978,005.02
  5. Step 5: Solve for x
    x = 1,509,928,978,005.02/1,267,619.32
  6. Step 6: Final answer
    x = 1,191,153.33

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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.