Home / 1,003,894.24-1,384,860.88-640,936.74

Finding the Fourth Proportional to 1,003,894.24, 1,384,860.88 and 640,936.74

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Solution

The fourth proportional to 1,003,894.24, 1,384,860.88 and 640,936.74 is: 884,165.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,894.24 : 1,384,860.88 = 640,936.74 : x
  2. Step 2: Convert to fraction form
    1,003,894.24/1,384,860.88 = 640,936.74/x
  3. Step 3: Cross multiply
    1,003,894.24x = 1,384,860.88 × 640,936.74
  4. Step 4: Simplify right side
    1,003,894.24x = 887,608,217,780.73
  5. Step 5: Solve for x
    x = 887,608,217,780.73/1,003,894.24
  6. Step 6: Final answer
    x = 884,165.07

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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.