Home / 885,823.20-1,325,235.60-768,794.40

Finding the Fourth Proportional to 885,823.20, 1,325,235.60 and 768,794.40

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Solution

The fourth proportional to 885,823.20, 1,325,235.60 and 768,794.40 is: 1,150,154.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,823.20 : 1,325,235.60 = 768,794.40 : x
  2. Step 2: Convert to fraction form
    885,823.20/1,325,235.60 = 768,794.40/x
  3. Step 3: Cross multiply
    885,823.20x = 1,325,235.60 × 768,794.40
  4. Step 4: Simplify right side
    885,823.20x = 1,018,833,707,960.64
  5. Step 5: Solve for x
    x = 1,018,833,707,960.64/885,823.20
  6. Step 6: Final answer
    x = 1,150,154.69

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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.