Home / 1,242,564.99-1,863,628.78-331,758.77

Finding the Fourth Proportional to 1,242,564.99, 1,863,628.78 and 331,758.77

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Solution

The fourth proportional to 1,242,564.99, 1,863,628.78 and 331,758.77 is: 497,579.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,564.99 : 1,863,628.78 = 331,758.77 : x
  2. Step 2: Convert to fraction form
    1,242,564.99/1,863,628.78 = 331,758.77/x
  3. Step 3: Cross multiply
    1,242,564.99x = 1,863,628.78 × 331,758.77
  4. Step 4: Simplify right side
    1,242,564.99x = 618,275,192,746.82
  5. Step 5: Solve for x
    x = 618,275,192,746.82/1,242,564.99
  6. Step 6: Final answer
    x = 497,579.76

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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.