Home / 1,679,433.60-2,519,150.40-1,007,587.20

Finding the Fourth Proportional to 1,679,433.60, 2,519,150.40 and 1,007,587.20

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Solution

The fourth proportional to 1,679,433.60, 2,519,150.40 and 1,007,587.20 is: 1,511,380.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,433.60 : 2,519,150.40 = 1,007,587.20 : x
  2. Step 2: Convert to fraction form
    1,679,433.60/2,519,150.40 = 1,007,587.20/x
  3. Step 3: Cross multiply
    1,679,433.60x = 2,519,150.40 × 1,007,587.20
  4. Step 4: Simplify right side
    1,679,433.60x = 2,538,263,697,914.88
  5. Step 5: Solve for x
    x = 2,538,263,697,914.88/1,679,433.60
  6. Step 6: Final answer
    x = 1,511,380.80

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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.