Home / 1,279,518.31-1,763,630.04-907,104.97

Finding the Fourth Proportional to 1,279,518.31, 1,763,630.04 and 907,104.97

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Solution

The fourth proportional to 1,279,518.31, 1,763,630.04 and 907,104.97 is: 1,250,312.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,518.31 : 1,763,630.04 = 907,104.97 : x
  2. Step 2: Convert to fraction form
    1,279,518.31/1,763,630.04 = 907,104.97/x
  3. Step 3: Cross multiply
    1,279,518.31x = 1,763,630.04 × 907,104.97
  4. Step 4: Simplify right side
    1,279,518.31x = 1,599,797,574,525.30
  5. Step 5: Solve for x
    x = 1,599,797,574,525.30/1,279,518.31
  6. Step 6: Final answer
    x = 1,250,312.37

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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.