Home / 1,294,468.72-1,786,378.68-713,712.72

Finding the Fourth Proportional to 1,294,468.72, 1,786,378.68 and 713,712.72

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Solution

The fourth proportional to 1,294,468.72, 1,786,378.68 and 713,712.72 is: 984,930.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,468.72 : 1,786,378.68 = 713,712.72 : x
  2. Step 2: Convert to fraction form
    1,294,468.72/1,786,378.68 = 713,712.72/x
  3. Step 3: Cross multiply
    1,294,468.72x = 1,786,378.68 × 713,712.72
  4. Step 4: Simplify right side
    1,294,468.72x = 1,274,961,186,652.81
  5. Step 5: Solve for x
    x = 1,274,961,186,652.81/1,294,468.72
  6. Step 6: Final answer
    x = 984,930.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.