Home / 1,270,749.30-1,753,519.77-697,776.90

Finding the Fourth Proportional to 1,270,749.30, 1,753,519.77 and 697,776.90

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Solution

The fourth proportional to 1,270,749.30, 1,753,519.77 and 697,776.90 is: 962,869.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,749.30 : 1,753,519.77 = 697,776.90 : x
  2. Step 2: Convert to fraction form
    1,270,749.30/1,753,519.77 = 697,776.90/x
  3. Step 3: Cross multiply
    1,270,749.30x = 1,753,519.77 × 697,776.90
  4. Step 4: Simplify right side
    1,270,749.30x = 1,223,565,589,199.31
  5. Step 5: Solve for x
    x = 1,223,565,589,199.31/1,270,749.30
  6. Step 6: Final answer
    x = 962,869.38

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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.