Home / 1,630,709.57-2,446,258.89-788,656.25

Finding the Fourth Proportional to 1,630,709.57, 2,446,258.89 and 788,656.25

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Solution

The fourth proportional to 1,630,709.57, 2,446,258.89 and 788,656.25 is: 1,183,078.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,709.57 : 2,446,258.89 = 788,656.25 : x
  2. Step 2: Convert to fraction form
    1,630,709.57/2,446,258.89 = 788,656.25/x
  3. Step 3: Cross multiply
    1,630,709.57x = 2,446,258.89 × 788,656.25
  4. Step 4: Simplify right side
    1,630,709.57x = 1,929,257,362,716.56
  5. Step 5: Solve for x
    x = 1,929,257,362,716.56/1,630,709.57
  6. Step 6: Final answer
    x = 1,183,078.46

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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.