Home / 1,383,607.60-2,074,720.20-634,807.60

Finding the Fourth Proportional to 1,383,607.60, 2,074,720.20 and 634,807.60

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Solution

The fourth proportional to 1,383,607.60, 2,074,720.20 and 634,807.60 is: 951,894.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,607.60 : 2,074,720.20 = 634,807.60 : x
  2. Step 2: Convert to fraction form
    1,383,607.60/2,074,720.20 = 634,807.60/x
  3. Step 3: Cross multiply
    1,383,607.60x = 2,074,720.20 × 634,807.60
  4. Step 4: Simplify right side
    1,383,607.60x = 1,317,048,150,833.52
  5. Step 5: Solve for x
    x = 1,317,048,150,833.52/1,383,607.60
  6. Step 6: Final answer
    x = 951,894.27

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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.