Home / 1,172,484.62-1,616,743.91-763,828.64

Finding the Fourth Proportional to 1,172,484.62, 1,616,743.91 and 763,828.64

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Solution

The fourth proportional to 1,172,484.62, 1,616,743.91 and 763,828.64 is: 1,053,246.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,484.62 : 1,616,743.91 = 763,828.64 : x
  2. Step 2: Convert to fraction form
    1,172,484.62/1,616,743.91 = 763,828.64/x
  3. Step 3: Cross multiply
    1,172,484.62x = 1,616,743.91 × 763,828.64
  4. Step 4: Simplify right side
    1,172,484.62x = 1,234,915,302,003.58
  5. Step 5: Solve for x
    x = 1,234,915,302,003.58/1,172,484.62
  6. Step 6: Final answer
    x = 1,053,246.48

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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.