Home / 1,645,731.77-2,270,116.77-1,086,929.58

Finding the Fourth Proportional to 1,645,731.77, 2,270,116.77 and 1,086,929.58

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Solution

The fourth proportional to 1,645,731.77, 2,270,116.77 and 1,086,929.58 is: 1,499,306.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,731.77 : 2,270,116.77 = 1,086,929.58 : x
  2. Step 2: Convert to fraction form
    1,645,731.77/2,270,116.77 = 1,086,929.58/x
  3. Step 3: Cross multiply
    1,645,731.77x = 2,270,116.77 × 1,086,929.58
  4. Step 4: Simplify right side
    1,645,731.77x = 2,467,457,067,367.06
  5. Step 5: Solve for x
    x = 2,467,457,067,367.06/1,645,731.77
  6. Step 6: Final answer
    x = 1,499,306.94

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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.