Home / 1,729,380.20-2,386,297.86-965,417

Finding the Fourth Proportional to 1,729,380.20, 2,386,297.86 and 965,417

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Solution

The fourth proportional to 1,729,380.20, 2,386,297.86 and 965,417 is: 1,332,137.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729,380.20 : 2,386,297.86 = 965,417 : x
  2. Step 2: Convert to fraction form
    1,729,380.20/2,386,297.86 = 965,417/x
  3. Step 3: Cross multiply
    1,729,380.20x = 2,386,297.86 × 965,417
  4. Step 4: Simplify right side
    1,729,380.20x = 2,303,772,521,107.62
  5. Step 5: Solve for x
    x = 2,303,772,521,107.62/1,729,380.20
  6. Step 6: Final answer
    x = 1,332,137.68

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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.