Home / 791,078.34-1,189,984.86-717,090.69

Finding the Fourth Proportional to 791,078.34, 1,189,984.86 and 717,090.69

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Solution

The fourth proportional to 791,078.34, 1,189,984.86 and 717,090.69 is: 1,078,688.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,078.34 : 1,189,984.86 = 717,090.69 : x
  2. Step 2: Convert to fraction form
    791,078.34/1,189,984.86 = 717,090.69/x
  3. Step 3: Cross multiply
    791,078.34x = 1,189,984.86 × 717,090.69
  4. Step 4: Simplify right side
    791,078.34x = 853,327,064,346.95
  5. Step 5: Solve for x
    x = 853,327,064,346.95/791,078.34
  6. Step 6: Final answer
    x = 1,078,688.44

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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.