Home / 993,104.60-1,489,656.90-768,902.93

Finding the Fourth Proportional to 993,104.60, 1,489,656.90 and 768,902.93

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Solution

The fourth proportional to 993,104.60, 1,489,656.90 and 768,902.93 is: 1,153,354.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,104.60 : 1,489,656.90 = 768,902.93 : x
  2. Step 2: Convert to fraction form
    993,104.60/1,489,656.90 = 768,902.93/x
  3. Step 3: Cross multiply
    993,104.60x = 1,489,656.90 × 768,902.93
  4. Step 4: Simplify right side
    993,104.60x = 1,145,401,555,104.72
  5. Step 5: Solve for x
    x = 1,145,401,555,104.72/993,104.60
  6. Step 6: Final answer
    x = 1,153,354.40

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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.