Home / 1,339,739.60-2,007,276.60-1,153,115.60

Finding the Fourth Proportional to 1,339,739.60, 2,007,276.60 and 1,153,115.60

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Solution

The fourth proportional to 1,339,739.60, 2,007,276.60 and 1,153,115.60 is: 1,727,665.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,739.60 : 2,007,276.60 = 1,153,115.60 : x
  2. Step 2: Convert to fraction form
    1,339,739.60/2,007,276.60 = 1,153,115.60/x
  3. Step 3: Cross multiply
    1,339,739.60x = 2,007,276.60 × 1,153,115.60
  4. Step 4: Simplify right side
    1,339,739.60x = 2,314,621,960,974.96
  5. Step 5: Solve for x
    x = 2,314,621,960,974.96/1,339,739.60
  6. Step 6: Final answer
    x = 1,727,665.56

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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.