Home / 1,009,311.71-1,392,958.19-617,074.82

Finding the Fourth Proportional to 1,009,311.71, 1,392,958.19 and 617,074.82

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Solution

The fourth proportional to 1,009,311.71, 1,392,958.19 and 617,074.82 is: 851,629.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,311.71 : 1,392,958.19 = 617,074.82 : x
  2. Step 2: Convert to fraction form
    1,009,311.71/1,392,958.19 = 617,074.82/x
  3. Step 3: Cross multiply
    1,009,311.71x = 1,392,958.19 × 617,074.82
  4. Step 4: Simplify right side
    1,009,311.71x = 859,559,424,361.78
  5. Step 5: Solve for x
    x = 859,559,424,361.78/1,009,311.71
  6. Step 6: Final answer
    x = 851,629.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.