Home / 1,387,429.92-2,081,134.08-713,700

Finding the Fourth Proportional to 1,387,429.92, 2,081,134.08 and 713,700

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Solution

The fourth proportional to 1,387,429.92, 2,081,134.08 and 713,700 is: 1,070,544.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,429.92 : 2,081,134.08 = 713,700 : x
  2. Step 2: Convert to fraction form
    1,387,429.92/2,081,134.08 = 713,700/x
  3. Step 3: Cross multiply
    1,387,429.92x = 2,081,134.08 × 713,700
  4. Step 4: Simplify right side
    1,387,429.92x = 1,485,305,392,896
  5. Step 5: Solve for x
    x = 1,485,305,392,896/1,387,429.92
  6. Step 6: Final answer
    x = 1,070,544.44

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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.