Home / 1,125,470.39-1,553,297.04-641,924.69

Finding the Fourth Proportional to 1,125,470.39, 1,553,297.04 and 641,924.69

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Solution

The fourth proportional to 1,125,470.39, 1,553,297.04 and 641,924.69 is: 885,940.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,470.39 : 1,553,297.04 = 641,924.69 : x
  2. Step 2: Convert to fraction form
    1,125,470.39/1,553,297.04 = 641,924.69/x
  3. Step 3: Cross multiply
    1,125,470.39x = 1,553,297.04 × 641,924.69
  4. Step 4: Simplify right side
    1,125,470.39x = 997,099,713,113.43
  5. Step 5: Solve for x
    x = 997,099,713,113.43/1,125,470.39
  6. Step 6: Final answer
    x = 885,940.43

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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.