Home / 1,383,544.80-2,074,617.36-423,714.24

Finding the Fourth Proportional to 1,383,544.80, 2,074,617.36 and 423,714.24

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Solution

The fourth proportional to 1,383,544.80, 2,074,617.36 and 423,714.24 is: 635,357.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,544.80 : 2,074,617.36 = 423,714.24 : x
  2. Step 2: Convert to fraction form
    1,383,544.80/2,074,617.36 = 423,714.24/x
  3. Step 3: Cross multiply
    1,383,544.80x = 2,074,617.36 × 423,714.24
  4. Step 4: Simplify right side
    1,383,544.80x = 879,044,917,983.21
  5. Step 5: Solve for x
    x = 879,044,917,983.21/1,383,544.80
  6. Step 6: Final answer
    x = 635,357.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.