Home / 1,423,169.47-1,963,936.22-842,422.56

Finding the Fourth Proportional to 1,423,169.47, 1,963,936.22 and 842,422.56

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Solution

The fourth proportional to 1,423,169.47, 1,963,936.22 and 842,422.56 is: 1,162,520.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,169.47 : 1,963,936.22 = 842,422.56 : x
  2. Step 2: Convert to fraction form
    1,423,169.47/1,963,936.22 = 842,422.56/x
  3. Step 3: Cross multiply
    1,423,169.47x = 1,963,936.22 × 842,422.56
  4. Step 4: Simplify right side
    1,423,169.47x = 1,654,464,168,309.44
  5. Step 5: Solve for x
    x = 1,654,464,168,309.44/1,423,169.47
  6. Step 6: Final answer
    x = 1,162,520.84

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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.