Home / 1,086,910.60-1,630,647.80-413,003.56

Finding the Fourth Proportional to 1,086,910.60, 1,630,647.80 and 413,003.56

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Solution

The fourth proportional to 1,086,910.60, 1,630,647.80 and 413,003.56 is: 619,612.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,910.60 : 1,630,647.80 = 413,003.56 : x
  2. Step 2: Convert to fraction form
    1,086,910.60/1,630,647.80 = 413,003.56/x
  3. Step 3: Cross multiply
    1,086,910.60x = 1,630,647.80 × 413,003.56
  4. Step 4: Simplify right side
    1,086,910.60x = 673,463,346,506.17
  5. Step 5: Solve for x
    x = 673,463,346,506.17/1,086,910.60
  6. Step 6: Final answer
    x = 619,612.46

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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.