Home / 1,270,838.24-1,906,626.32-512,288.24

Finding the Fourth Proportional to 1,270,838.24, 1,906,626.32 and 512,288.24

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Solution

The fourth proportional to 1,270,838.24, 1,906,626.32 and 512,288.24 is: 768,581.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,838.24 : 1,906,626.32 = 512,288.24 : x
  2. Step 2: Convert to fraction form
    1,270,838.24/1,906,626.32 = 512,288.24/x
  3. Step 3: Cross multiply
    1,270,838.24x = 1,906,626.32 × 512,288.24
  4. Step 4: Simplify right side
    1,270,838.24x = 976,742,241,810.48
  5. Step 5: Solve for x
    x = 976,742,241,810.48/1,270,838.24
  6. Step 6: Final answer
    x = 768,581.09

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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.