Home / 2,657,079.12-3,986,286.24-763,824

Finding the Fourth Proportional to 2,657,079.12, 3,986,286.24 and 763,824

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Solution

The fourth proportional to 2,657,079.12, 3,986,286.24 and 763,824 is: 1,145,927.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,079.12 : 3,986,286.24 = 763,824 : x
  2. Step 2: Convert to fraction form
    2,657,079.12/3,986,286.24 = 763,824/x
  3. Step 3: Cross multiply
    2,657,079.12x = 3,986,286.24 × 763,824
  4. Step 4: Simplify right side
    2,657,079.12x = 3,044,821,100,981.76
  5. Step 5: Solve for x
    x = 3,044,821,100,981.76/2,657,079.12
  6. Step 6: Final answer
    x = 1,145,927.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.