Home / 1,497,885.70-2,067,079.44-818,822.20

Finding the Fourth Proportional to 1,497,885.70, 2,067,079.44 and 818,822.20

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Solution

The fourth proportional to 1,497,885.70, 2,067,079.44 and 818,822.20 is: 1,129,973.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497,885.70 : 2,067,079.44 = 818,822.20 : x
  2. Step 2: Convert to fraction form
    1,497,885.70/2,067,079.44 = 818,822.20/x
  3. Step 3: Cross multiply
    1,497,885.70x = 2,067,079.44 × 818,822.20
  4. Step 4: Simplify right side
    1,497,885.70x = 1,692,570,534,635.57
  5. Step 5: Solve for x
    x = 1,692,570,534,635.57/1,497,885.70
  6. Step 6: Final answer
    x = 1,129,973.09

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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.