Home / 1,211,449.77-1,671,797.12-667,585.35

Finding the Fourth Proportional to 1,211,449.77, 1,671,797.12 and 667,585.35

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Solution

The fourth proportional to 1,211,449.77, 1,671,797.12 and 667,585.35 is: 921,265.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,449.77 : 1,671,797.12 = 667,585.35 : x
  2. Step 2: Convert to fraction form
    1,211,449.77/1,671,797.12 = 667,585.35/x
  3. Step 3: Cross multiply
    1,211,449.77x = 1,671,797.12 × 667,585.35
  4. Step 4: Simplify right side
    1,211,449.77x = 1,116,067,262,146.27
  5. Step 5: Solve for x
    x = 1,116,067,262,146.27/1,211,449.77
  6. Step 6: Final answer
    x = 921,265.82

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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.