Home / 1,026,993.60-1,540,630.55-427,814.63

Finding the Fourth Proportional to 1,026,993.60, 1,540,630.55 and 427,814.63

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Solution

The fourth proportional to 1,026,993.60, 1,540,630.55 and 427,814.63 is: 641,780.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,993.60 : 1,540,630.55 = 427,814.63 : x
  2. Step 2: Convert to fraction form
    1,026,993.60/1,540,630.55 = 427,814.63/x
  3. Step 3: Cross multiply
    1,026,993.60x = 1,540,630.55 × 427,814.63
  4. Step 4: Simplify right side
    1,026,993.60x = 659,104,287,858.70
  5. Step 5: Solve for x
    x = 659,104,287,858.70/1,026,993.60
  6. Step 6: Final answer
    x = 641,780.33

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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.