Home / 1,043,579-1,565,346.18-285,420.44

Finding the Fourth Proportional to 1,043,579, 1,565,346.18 and 285,420.44

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Solution

The fourth proportional to 1,043,579, 1,565,346.18 and 285,420.44 is: 428,124.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,579 : 1,565,346.18 = 285,420.44 : x
  2. Step 2: Convert to fraction form
    1,043,579/1,565,346.18 = 285,420.44/x
  3. Step 3: Cross multiply
    1,043,579x = 1,565,346.18 × 285,420.44
  4. Step 4: Simplify right side
    1,043,579x = 446,781,795,447.92
  5. Step 5: Solve for x
    x = 446,781,795,447.92/1,043,579
  6. Step 6: Final answer
    x = 428,124.56

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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.