Home / 1,108,209.78-1,662,408.90-349,848.36

Finding the Fourth Proportional to 1,108,209.78, 1,662,408.90 and 349,848.36

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Solution

The fourth proportional to 1,108,209.78, 1,662,408.90 and 349,848.36 is: 524,802.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,209.78 : 1,662,408.90 = 349,848.36 : x
  2. Step 2: Convert to fraction form
    1,108,209.78/1,662,408.90 = 349,848.36/x
  3. Step 3: Cross multiply
    1,108,209.78x = 1,662,408.90 × 349,848.36
  4. Step 4: Simplify right side
    1,108,209.78x = 581,591,027,314.40
  5. Step 5: Solve for x
    x = 581,591,027,314.40/1,108,209.78
  6. Step 6: Final answer
    x = 524,802.29

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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.