Home / 1,361,990-2,042,230.08-631,716.68

Finding the Fourth Proportional to 1,361,990, 2,042,230.08 and 631,716.68

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Solution

The fourth proportional to 1,361,990, 2,042,230.08 and 631,716.68 is: 947,224.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,990 : 2,042,230.08 = 631,716.68 : x
  2. Step 2: Convert to fraction form
    1,361,990/2,042,230.08 = 631,716.68/x
  3. Step 3: Cross multiply
    1,361,990x = 2,042,230.08 × 631,716.68
  4. Step 4: Simplify right side
    1,361,990x = 1,290,110,805,933.73
  5. Step 5: Solve for x
    x = 1,290,110,805,933.73/1,361,990
  6. Step 6: Final answer
    x = 947,224.87

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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.