Home / 1,979,277.60-2,968,333.20-780,801.60

Finding the Fourth Proportional to 1,979,277.60, 2,968,333.20 and 780,801.60

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Solution

The fourth proportional to 1,979,277.60, 2,968,333.20 and 780,801.60 is: 1,170,972.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,277.60 : 2,968,333.20 = 780,801.60 : x
  2. Step 2: Convert to fraction form
    1,979,277.60/2,968,333.20 = 780,801.60/x
  3. Step 3: Cross multiply
    1,979,277.60x = 2,968,333.20 × 780,801.60
  4. Step 4: Simplify right side
    1,979,277.60x = 2,317,679,311,893.12
  5. Step 5: Solve for x
    x = 2,317,679,311,893.12/1,979,277.60
  6. Step 6: Final answer
    x = 1,170,972.33

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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.