Home / 1,028,955.80-1,540,809.30-819,003.80

Finding the Fourth Proportional to 1,028,955.80, 1,540,809.30 and 819,003.80

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Solution

The fourth proportional to 1,028,955.80, 1,540,809.30 and 819,003.80 is: 1,226,416.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,955.80 : 1,540,809.30 = 819,003.80 : x
  2. Step 2: Convert to fraction form
    1,028,955.80/1,540,809.30 = 819,003.80/x
  3. Step 3: Cross multiply
    1,028,955.80x = 1,540,809.30 × 819,003.80
  4. Step 4: Simplify right side
    1,028,955.80x = 1,261,928,671,775.34
  5. Step 5: Solve for x
    x = 1,261,928,671,775.34/1,028,955.80
  6. Step 6: Final answer
    x = 1,226,416.79

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