Home / 1,101,979.83-1,652,327.51-427,272.92

Finding the Fourth Proportional to 1,101,979.83, 1,652,327.51 and 427,272.92

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Solution

The fourth proportional to 1,101,979.83, 1,652,327.51 and 427,272.92 is: 640,660.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,979.83 : 1,652,327.51 = 427,272.92 : x
  2. Step 2: Convert to fraction form
    1,101,979.83/1,652,327.51 = 427,272.92/x
  3. Step 3: Cross multiply
    1,101,979.83x = 1,652,327.51 × 427,272.92
  4. Step 4: Simplify right side
    1,101,979.83x = 705,994,789,596.03
  5. Step 5: Solve for x
    x = 705,994,789,596.03/1,101,979.83
  6. Step 6: Final answer
    x = 640,660.36

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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.