Home / 1,192,438.44-1,788,132.78-631,341.72

Finding the Fourth Proportional to 1,192,438.44, 1,788,132.78 and 631,341.72

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Solution

The fourth proportional to 1,192,438.44, 1,788,132.78 and 631,341.72 is: 946,734.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,438.44 : 1,788,132.78 = 631,341.72 : x
  2. Step 2: Convert to fraction form
    1,192,438.44/1,788,132.78 = 631,341.72/x
  3. Step 3: Cross multiply
    1,192,438.44x = 1,788,132.78 × 631,341.72
  4. Step 4: Simplify right side
    1,192,438.44x = 1,128,922,824,913.58
  5. Step 5: Solve for x
    x = 1,128,922,824,913.58/1,192,438.44
  6. Step 6: Final answer
    x = 946,734.68

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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.