Home / 1,228,859.04-1,844,118.44-430,147.20

Finding the Fourth Proportional to 1,228,859.04, 1,844,118.44 and 430,147.20

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Solution

The fourth proportional to 1,228,859.04, 1,844,118.44 and 430,147.20 is: 645,511.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,859.04 : 1,844,118.44 = 430,147.20 : x
  2. Step 2: Convert to fraction form
    1,228,859.04/1,844,118.44 = 430,147.20/x
  3. Step 3: Cross multiply
    1,228,859.04x = 1,844,118.44 × 430,147.20
  4. Step 4: Simplify right side
    1,228,859.04x = 793,242,383,434.37
  5. Step 5: Solve for x
    x = 793,242,383,434.37/1,228,859.04
  6. Step 6: Final answer
    x = 645,511.29

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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.