Home / 1,182,128.48-1,631,377.33-699,107.66

Finding the Fourth Proportional to 1,182,128.48, 1,631,377.33 and 699,107.66

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Solution

The fourth proportional to 1,182,128.48, 1,631,377.33 and 699,107.66 is: 964,792.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,128.48 : 1,631,377.33 = 699,107.66 : x
  2. Step 2: Convert to fraction form
    1,182,128.48/1,631,377.33 = 699,107.66/x
  3. Step 3: Cross multiply
    1,182,128.48x = 1,631,377.33 × 699,107.66
  4. Step 4: Simplify right side
    1,182,128.48x = 1,140,508,383,966.36
  5. Step 5: Solve for x
    x = 1,140,508,383,966.36/1,182,128.48
  6. Step 6: Final answer
    x = 964,792.24

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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.