Home / 879,416.20-1,315,187.70-737,698.60

Finding the Fourth Proportional to 879,416.20, 1,315,187.70 and 737,698.60

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Solution

The fourth proportional to 879,416.20, 1,315,187.70 and 737,698.60 is: 1,103,245.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,416.20 : 1,315,187.70 = 737,698.60 : x
  2. Step 2: Convert to fraction form
    879,416.20/1,315,187.70 = 737,698.60/x
  3. Step 3: Cross multiply
    879,416.20x = 1,315,187.70 × 737,698.60
  4. Step 4: Simplify right side
    879,416.20x = 970,212,125,027.22
  5. Step 5: Solve for x
    x = 970,212,125,027.22/879,416.20
  6. Step 6: Final answer
    x = 1,103,245.68

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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.