Home / 1,125,105.32-1,687,617.96-451,005.60

Finding the Fourth Proportional to 1,125,105.32, 1,687,617.96 and 451,005.60

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Solution

The fourth proportional to 1,125,105.32, 1,687,617.96 and 451,005.60 is: 676,492.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,105.32 : 1,687,617.96 = 451,005.60 : x
  2. Step 2: Convert to fraction form
    1,125,105.32/1,687,617.96 = 451,005.60/x
  3. Step 3: Cross multiply
    1,125,105.32x = 1,687,617.96 × 451,005.60
  4. Step 4: Simplify right side
    1,125,105.32x = 761,125,150,620.58
  5. Step 5: Solve for x
    x = 761,125,150,620.58/1,125,105.32
  6. Step 6: Final answer
    x = 676,492.36

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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.