Home / 1,679,605.60-2,519,408.40-1,007,759.20

Finding the Fourth Proportional to 1,679,605.60, 2,519,408.40 and 1,007,759.20

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Solution

The fourth proportional to 1,679,605.60, 2,519,408.40 and 1,007,759.20 is: 1,511,638.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,605.60 : 2,519,408.40 = 1,007,759.20 : x
  2. Step 2: Convert to fraction form
    1,679,605.60/2,519,408.40 = 1,007,759.20/x
  3. Step 3: Cross multiply
    1,679,605.60x = 2,519,408.40 × 1,007,759.20
  4. Step 4: Simplify right side
    1,679,605.60x = 2,538,956,993,657.28
  5. Step 5: Solve for x
    x = 2,538,956,993,657.28/1,679,605.60
  6. Step 6: Final answer
    x = 1,511,638.80

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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.