Home / 800,023.80-1,200,035.70-712,932.60

Finding the Fourth Proportional to 800,023.80, 1,200,035.70 and 712,932.60

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Solution

The fourth proportional to 800,023.80, 1,200,035.70 and 712,932.60 is: 1,069,398.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,023.80 : 1,200,035.70 = 712,932.60 : x
  2. Step 2: Convert to fraction form
    800,023.80/1,200,035.70 = 712,932.60/x
  3. Step 3: Cross multiply
    800,023.80x = 1,200,035.70 × 712,932.60
  4. Step 4: Simplify right side
    800,023.80x = 855,544,571,693.82
  5. Step 5: Solve for x
    x = 855,544,571,693.82/800,023.80
  6. Step 6: Final answer
    x = 1,069,398.90

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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.