Home / 775,210.77-1,070,118.95-726,785.73

Finding the Fourth Proportional to 775,210.77, 1,070,118.95 and 726,785.73

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Solution

The fourth proportional to 775,210.77, 1,070,118.95 and 726,785.73 is: 1,003,271.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,210.77 : 1,070,118.95 = 726,785.73 : x
  2. Step 2: Convert to fraction form
    775,210.77/1,070,118.95 = 726,785.73/x
  3. Step 3: Cross multiply
    775,210.77x = 1,070,118.95 × 726,785.73
  4. Step 4: Simplify right side
    775,210.77x = 777,747,178,628.66
  5. Step 5: Solve for x
    x = 777,747,178,628.66/775,210.77
  6. Step 6: Final answer
    x = 1,003,271.90

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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.