Home / 1,394,663.30-2,091,010.80-636,867.80

Finding the Fourth Proportional to 1,394,663.30, 2,091,010.80 and 636,867.80

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Solution

The fourth proportional to 1,394,663.30, 2,091,010.80 and 636,867.80 is: 954,852.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,663.30 : 2,091,010.80 = 636,867.80 : x
  2. Step 2: Convert to fraction form
    1,394,663.30/2,091,010.80 = 636,867.80/x
  3. Step 3: Cross multiply
    1,394,663.30x = 2,091,010.80 × 636,867.80
  4. Step 4: Simplify right side
    1,394,663.30x = 1,331,697,447,972.24
  5. Step 5: Solve for x
    x = 1,331,697,447,972.24/1,394,663.30
  6. Step 6: Final answer
    x = 954,852.29

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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.