Home / 1,115,241.12-1,671,921.36-483,679.44

Finding the Fourth Proportional to 1,115,241.12, 1,671,921.36 and 483,679.44

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Solution

The fourth proportional to 1,115,241.12, 1,671,921.36 and 483,679.44 is: 725,111.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,241.12 : 1,671,921.36 = 483,679.44 : x
  2. Step 2: Convert to fraction form
    1,115,241.12/1,671,921.36 = 483,679.44/x
  3. Step 3: Cross multiply
    1,115,241.12x = 1,671,921.36 × 483,679.44
  4. Step 4: Simplify right side
    1,115,241.12x = 808,673,987,128.84
  5. Step 5: Solve for x
    x = 808,673,987,128.84/1,115,241.12
  6. Step 6: Final answer
    x = 725,111.34

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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.