Home / 864,090.60-1,296,135.90-808,794.60

Finding the Fourth Proportional to 864,090.60, 1,296,135.90 and 808,794.60

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Solution

The fourth proportional to 864,090.60, 1,296,135.90 and 808,794.60 is: 1,213,191.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,090.60 : 1,296,135.90 = 808,794.60 : x
  2. Step 2: Convert to fraction form
    864,090.60/1,296,135.90 = 808,794.60/x
  3. Step 3: Cross multiply
    864,090.60x = 1,296,135.90 × 808,794.60
  4. Step 4: Simplify right side
    864,090.60x = 1,048,307,716,786.14
  5. Step 5: Solve for x
    x = 1,048,307,716,786.14/864,090.60
  6. Step 6: Final answer
    x = 1,213,191.90

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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.